{"Name":"Kikuchi-Fujimoto disease","DiseaseID__c":"GARD:0006834","id":6834,"encodedName":"kikuchi-fujimoto-disease","IsDeleted":false,"Disease_Name_Full__c":"Kikuchi-Fujimoto disease","Xref_IDs__c":"127217009; C0398367; C71719; D020042; MEDGEN:97979; MONDO:0018864; ORPHA:50918","USA_Estimate__c":"5,000","No_of_Specialist_Tagsa__c":2,"No_of_ClinGen_records__c":0,"No_of_GeneReviews__c":0,"No_of_HHS_records__c":0,"World_Estimate__c":"8,000 to 80,000","No_of_HRSA_records__c":0,"Evidence_Based_Score__c":0,"No_of_Disease_Descriptions__c":3,"Disease_Characteristics_Score__c":4,"No_of_Age_at_Onset__c":4,"Description_Source__c":"MONDO:0018864","Disease_Description__c":"A rare systemic disease characterized by subacute, necrotizing, regional lymphadenopathy with tenderness, usually accompanied with mild fever, night sweats, myalgia, leukopenia and anemia. Less frequent symptoms include weight loss, nausea, vomiting and sore throat. It is a self-limiting benign disease that usually recedes within six months, even without drug treatment.","GARD_Name__c":"Kikuchi-Fujimoto disease","GARD_Synonym__c":"histiocytic necrotising lymphadenitis; histiocytic necrotizing lymphadenitis; histiocytic necrotizing lymphadenopathy; kikuchi disease; kikuchi necrotizing lymphadenitis; kikuchi-fujimoto's disease; kikuchi's disease; nosocomial kikuchi's disease","Curated_Disease_Description_Source__c":"GARD:0006834","Curated_Disease_Description__c":"Kikuchi-Fujimoto disease is a benign (non-cancerous) condition of the lymph nodes. The main symptoms include swollen lymph nodes in the neck, mild fever, and night sweats. Less common symptoms include weight loss, nausea, vomiting, and sore throat. While the exact cause of this condition is unknown, infectious and autoimmune causes have been suggested.","Curated_USA_Estimate_Source__c":null,"Curated_USA_Estimate__c":"5,000","Age_at_Onset_Snippet_Text__c":"at a variety of ages","SourceID__c":"ORPHA:50918","Deprecated__c":"No","Disease_Concept_Type__c":"Rare Disease Entity","MONDO_ID__c":"MONDO:0018864","ORPHANET_ID__c":"ORPHA:50918","Replaced_By_ID__c":null,"Display_Spanish_Disease_Name__c":"Enfermedad de kikuchi-fujimoto","Spanish_Description_Source__c":"ORPHA:50918","Spanish_Description__c":"Es una enfermedad sistémica poco frecuente caracterizada por linfadenopatía necrosante regional subaguda, sensible a la palpación, generalmente acompañada de fiebre baja, sudores nocturnos, mialgia, leucopenia y anemia. Los síntomas menos frecuentes incluyen pérdida ponderal, náuseas, vómitos y faringitis. Es una enfermedad benigna autolimitada que suele remitir en un plazo de seis meses, incluso sin tratamiento farmacológico.","Spanish_Disease_Name__c":"enfermedad de kikuchi-fujimoto","Spanish_GARD_Synonym__c":"enfermedad de kikuchi","Category_Linearization__c":"ORPHA:98023","icd10_id__c":null,"mesh_id__c":null,"omim_id__c":null,"snomed_id__c":null,"umls_id__c":null,"GARD_Disease__c":[{"Curated_Disease_Description__c":"Kikuchi-Fujimoto disease is a benign (non-cancerous) condition of the lymph nodes. The main symptoms include swollen lymph nodes in the neck, mild fever, and night sweats. Less common symptoms include weight loss, nausea, vomiting, and sore throat. While the exact cause of this condition is unknown, infectious and autoimmune causes have been suggested.","Curated_Disease_Description_Source__c":"GARD:0006834","GARD_Synonym__c":"histiocytic necrotising lymphadenitis; histiocytic necrotizing lymphadenitis; histiocytic necrotizing lymphadenopathy; kikuchi disease; kikuchi necrotizing lymphadenitis; kikuchi-fujimoto's disease; kikuchi's disease; nosocomial kikuchi's disease","Name":"Kikuchi-Fujimoto disease","Curated_USA_Estimate__c":"5,000","estimateUsa":"5,000"}],"GARD_Disease_Tag__c":[{"Tag_Name__c":"Rheumatology","Tag_Category__c":"Specialist"},{"Tag_Name__c":"Pediatrics","Tag_Category__c":"Specialist"}],"Age_At_Onset__c":[{"Age_At_Onset__c":"Childhood","Provided_By__c":"ORPHA:50918"},{"Age_At_Onset__c":"Adult","Provided_By__c":"ORPHA:50918"},{"Age_At_Onset__c":"Infancy","Provided_By__c":"ORPHA:50918"},{"Age_At_Onset__c":"Adolescent","Provided_By__c":"ORPHA:50918"}],"External_Identifier_Disease__c":[{"URL__c":"https://browser.ihtsdotools.org/?perspective=full&conceptId1=127217009","Source__c":"C0398367; MONDO:0018864","Xref__c":"127217009"},{"URL__c":"https://uts.nlm.nih.gov/uts/umls/concept/C0398367","Source__c":"C0398367","Xref__c":"C0398367"},{"URL__c":"https://www.orpha.net/en/disease/detail/50918","Source__c":"C0398367; MONDO:0018864; ORPHA:50918","Xref__c":"ORPHA:50918"},{"URL__c":"https://www.ncbi.nlm.nih.gov/mesh/C020042","Source__c":"C0398367; MONDO:0018864","Xref__c":"D020042"},{"URL__c":"https://www.ncbi.nlm.nih.gov/medgen/?term=97979","Source__c":"C0398367","Xref__c":"MEDGEN:97979"},{"URL__c":"https://evsexplore.semantics.cancer.gov/evsexplore/concept/ncit/C71719","Source__c":"C0398367; MONDO:0018864","Xref__c":"C71719"},{"URL__c":"http://purl.obolibrary.org/obo/MONDO_0018864","Source__c":"GARD:0006834","Xref__c":"MONDO:0018864"}],"GARD_Disease_Feature__c":[{"Provided_By__c":"ORPHA:50918","HPO_Frequency__c":"Frequent (30-79%)","Feature__r":{"HPO_Description__c":"A type of vasculitis (inflammation of blood vessel walls) that affects skeletal muscle tissue.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0200029","HPO_Synonym__c":"Cutaneous vasculitis","HPO_Name__c":"Vasculitis in the skin","Feature_System__c":"Skin System; Cardiovascular System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:50918","HPO_Frequency__c":"Frequent (30-79%)","Feature__r":{"HPO_Description__c":"An increased sensitivity of the skin to light. Photosensitivity may result in a rash upon exposure to the sun (which is known as photodermatosis). Photosensitivity can be diagnosed by phototests in which light is shone on small areas of skin.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0000992","HPO_Synonym__c":"Photosensitive skin; Photosensitive skin rashes; Photosensitivity; Sensitivity to sunlight; Skin photosensitivity; Sun sensitivity","HPO_Name__c":"Cutaneous photosensitivity","Feature_System__c":"Skin System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:50918","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Description__c":"A reduction in the number of circulating thrombocytes.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0001873","HPO_Synonym__c":"Low platelet count","HPO_Name__c":"Thrombocytopenia","Feature_System__c":"Blood and Blood-Forming Tissue","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:50918","HPO_Frequency__c":"Frequent (30-79%)","Feature__r":{"HPO_Description__c":"An abnormal decreased number of leukocytes in the blood.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0001882","HPO_Synonym__c":"Decreased blood leukocyte number; Leukopenia; Low white blood cell count","HPO_Name__c":"Decreased total leukocyte count","Feature_System__c":"Immune System; Blood and Blood-Forming Tissue","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:50918","HPO_Frequency__c":"Frequent (30-79%)","Feature__r":{"HPO_Description__c":"Erosion of the mucous mebrane of the mouth with local excavation of the surface, resulting from the sloughing of inflammatory necrotic tissue.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0000155","HPO_Synonym__c":"Mouth ulcer; Oral mucosal ulceration","HPO_Name__c":"Oral ulcer","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:50918","HPO_Frequency__c":"Uncommon (<1-4%)","Feature__r":{"HPO_Description__c":"Abnormally increased size of the liver.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0002240","HPO_Synonym__c":"Enlarged liver","HPO_Name__c":"Hepatomegaly","Feature_System__c":"Digestive System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:50918","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Description__c":"Abnormality of the lung parenchyma extending to the pulmonary interstitium and leading to diffuse pulmonary fibrosis.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0006530","HPO_Synonym__c":"Abnormal lung parenchyma morphology; Abnormality in area between air sacs in lung; Interstitial lung disease; Interstitial pulmonary disease","HPO_Name__c":"Abnormal pulmonary interstitial morphology","Feature_System__c":"Respiratory system","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:50918","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Description__c":"Abnormal decrease of absolute number of neutrophils in the blood, per microlitre, compared to a reference range for a given sex and age-group.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0001875","HPO_Synonym__c":"Low blood neutrophil count; Low neutrophil count; Neutropenia; Peripheral neutropenia","HPO_Name__c":"Decreased total neutrophil count","Feature_System__c":"Immune System; Blood and Blood-Forming Tissue","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:50918","HPO_Frequency__c":"Frequent (30-79%)","Feature__r":{"HPO_Description__c":"Enlargement (swelling) of a lymph node.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0002716","HPO_Synonym__c":"Lymph node hyperplasia; Swollen lymph nodes","HPO_Name__c":"Lymphadenopathy","Feature_System__c":"Cardiovascular System; Immune System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:50918","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Description__c":"Pain in muscle.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0003326","HPO_Synonym__c":"Muscle ache; Muscle pain","HPO_Name__c":"Myalgia","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:50918","HPO_Frequency__c":"Uncommon (<1-4%)","Feature__r":{"HPO_Description__c":"Inflammation of the myocardium.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0012819","HPO_Synonym__c":"Inflammation of heart muscle","HPO_Name__c":"Myocarditis","Feature_System__c":"Cardiovascular System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:50918","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Description__c":"Joint pain.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0002829","HPO_Synonym__c":"Arthralgias; Joint pain","HPO_Name__c":"Arthralgia","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:50918","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Description__c":"A discontinuity of the skin exhibiting incomplete loss of the epidermis, a lesion that is moist, circumscribed, and usually depressed.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0200041","HPO_Name__c":"Skin erosion","Feature_System__c":"Skin System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:50918","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Description__c":"A flat, distinct, discolored area of skin less than 1 cm wide that does not involve any change in the thickness or texture of the skin.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0012733","HPO_Synonym__c":"Flat, discolored area of skin","HPO_Name__c":"Macule","Feature_System__c":"Skin System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:50918","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Description__c":"Abnormal increased size of the spleen.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0001744","HPO_Synonym__c":"Increased spleen size; Large spleen","HPO_Name__c":"Splenomegaly","Feature_System__c":"Cardiovascular System; Immune System; Digestive System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:50918","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Description__c":"An abnormal elevation of the C-reactive protein level in the blood circulation.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0011227","HPO_Synonym__c":"Elevated C-reactive protein level","HPO_Name__c":"Elevated circulating C-reactive protein concentration","HPO_Feature_Type__c":"Lab"}},{"Provided_By__c":"ORPHA:50918","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Description__c":"Elevations of the levels of SGOT and SGPT in the serum. SGOT (serum glutamic oxaloacetic transaminase) and SGPT (serum glutamic pyruvic transaminase) are transaminases primarily found in the liver and heart and are released into the bloodstream as the result of liver or heart damage. SGOT and SGPT are used clinically mainly as markers of liver damage.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0002910","HPO_Synonym__c":"Abnormal liver enzymes; Abnormal liver function; Abnormal liver function tests; Elevated circulating hepatic transaminase activity; Elevated liver enzymes; Elevated serum transaminases; Elevated transaminases; High liver enzymes; Increased liver enzymes; Increased liver function tests; Increased transaminases; Raised liver enzymes; Subclinical abnormal liver function tests","HPO_Name__c":"Elevated circulating hepatic transaminase concentration","HPO_Feature_Type__c":"Lab"}},{"Provided_By__c":"ORPHA:50918","HPO_Frequency__c":"Uncommon (<1-4%)","Feature__r":{"HPO_Description__c":"The presence of an excessive amount of fluid in the pleural cavity.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0002202","HPO_Synonym__c":"Fluid around lungs","HPO_Name__c":"Pleural effusion","Feature_System__c":"Respiratory system","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:50918","HPO_Frequency__c":"Frequent (30-79%)","Feature__r":{"HPO_Description__c":"A noncongenital process of hair loss, which may progress to partial or complete baldness.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0001596","HPO_Synonym__c":"Hair loss","HPO_Name__c":"Alopecia","Feature_System__c":"Skin System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:50918","HPO_Frequency__c":"Frequent (30-79%)","Feature__r":{"HPO_Description__c":"Lack of desire to eat (loss of appetite).","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0002039","HPO_Synonym__c":"Anorexia; Deliberately not eating; Obsessive dieting; Refusing to eat","HPO_Name__c":"Anorexia","Feature_System__c":"Digestive System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:50918","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Description__c":"An increased erythrocyte sedimentation rate (ESR). The ESR is a test that measures the distance that erythrocytes have fallen after one hour in a vertical column of anticoagulated blood under the influence of gravity. The ESR is a nonspecific finding. An elevation may indicate inflammation or may be caused by any condition that elevates fibrinogen.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0003565","HPO_Synonym__c":"Elevated ESR; Elevated sedimentation rate; High erythrocyte sedimentation rate; High ESR; Increased erythrocyte sedimentation rate; Raised erythrocyte sedimentation rate","HPO_Name__c":"Elevated erythrocyte sedimentation rate","HPO_Feature_Type__c":"Lab"}},{"Provided_By__c":"ORPHA:50918","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Description__c":"The presence of one or more bullae on the skin, defined as fluid-filled blisters more than 5 mm in diameter with thin walls.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0008066","HPO_Synonym__c":"Abnormal blistering of the skin; Blister; Blistering, generalized; Blisters; Skin bullae","HPO_Name__c":"Abnormal blistering of the skin","Feature_System__c":"Skin System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:50918","HPO_Frequency__c":"Frequent (30-79%)","Feature__r":{"HPO_Description__c":"A red eruption of the skin.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0000988","HPO_Synonym__c":"Skin rash","HPO_Name__c":"Skin rash","Feature_System__c":"Skin System; Immune System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:50918","HPO_Frequency__c":"Frequent (30-79%)","Feature__r":{"HPO_Description__c":"A subjective feeling of tiredness characterized by a lack of energy and motivation.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0012378","HPO_Synonym__c":"Fatigue; Tired; Tiredness","HPO_Name__c":"Fatigue","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:50918","HPO_Frequency__c":"Frequent (30-79%)","Feature__r":{"HPO_Description__c":"Redness of the skin, caused by hyperemia of the capillaries in the lower layers of the skin.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0010783","HPO_Synonym__c":"Redness of skin or mucous membrane","HPO_Name__c":"Erythema","Feature_System__c":"Skin System; Cardiovascular System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:50918","HPO_Frequency__c":"Frequent (30-79%)","Feature__r":{"HPO_Description__c":"Mild fever that does not exceed 38.5 degrees centigrade.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0011134","HPO_Synonym__c":"Low-grade fever; Mild fever","HPO_Name__c":"Low-grade fever","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:50918","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Description__c":"An abnormality of the gastrointestinal tract.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0011024","HPO_Synonym__c":"Abnormality of the gastrointestinal tract; Abnormality of the GI tract","HPO_Name__c":"Abnormality of the gastrointestinal tract","Feature_System__c":"Digestive System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:50918","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Description__c":"A plaque is a solid, raised, plateau-like (flat-topped) lesion greater than 1 cm in diameter.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0200035","HPO_Name__c":"Skin plaque","Feature_System__c":"Skin System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:50918","HPO_Frequency__c":"Frequent (30-79%)","Feature__r":{"HPO_Description__c":"A structural lymph node abnormality.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0002733","HPO_Synonym__c":"Abnormal lymph node histology; Abnormality of the lymph nodes","HPO_Name__c":"Abnormal lymph node morphology","Feature_System__c":"Cardiovascular System; Immune System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:50918","HPO_Frequency__c":"Frequent (30-79%)","Feature__r":{"HPO_Description__c":"A sudden sensation of feeling cold.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0025143","HPO_Synonym__c":"Chills","HPO_Name__c":"Chills","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:50918","HPO_Frequency__c":"Uncommon (<1-4%)","Feature__r":{"HPO_Description__c":"A generalized form of lymphadenopathy.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0008940","HPO_Synonym__c":"Generalized swelling of lymph nodes; Swollen lymph nodes affecting all regions of the body","HPO_Name__c":"Generalized lymphadenopathy","Feature_System__c":"Cardiovascular System; Immune System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:50918","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Description__c":"Inflammation of the meninges.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0001287","HPO_Name__c":"Meningitis","Feature_System__c":"Nervous System; Immune System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:50918","HPO_Frequency__c":"Frequent (30-79%)","Feature__r":{"HPO_Description__c":"Reduction of total body weight.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0001824","HPO_Synonym__c":"Loss of weight","HPO_Name__c":"Weight loss","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:50918","HPO_Frequency__c":"Very frequent (80-99%)","Feature__r":{"HPO_Description__c":"Enlarged lymph nodes in the neck.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0025289","HPO_Synonym__c":"Swollen lymph nodes in the neck","HPO_Name__c":"Cervical lymphadenopathy","Feature_System__c":"Cardiovascular System; Immune System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:50918","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Description__c":"Increased size of the parotid gland.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0011801","HPO_Synonym__c":"Hyperplasia of parotid gland; Increased size of parotid gland","HPO_Name__c":"Enlargement of parotid gland","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:50918","HPO_Frequency__c":"Frequent (30-79%)","Feature__r":{"HPO_Description__c":"An elevated level of the enzyme lactate dehydrogenase in the blood circulation.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0025435","HPO_Synonym__c":"Increased circulating LDH concentration; Increased lactate dehydrogenase level","HPO_Name__c":"Increased circulating lactate dehydrogenase concentration","HPO_Feature_Type__c":"Lab"}},{"Provided_By__c":"ORPHA:50918","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Description__c":"A macule (flat, distinct, discolored area of skin less than 1 cm wide that does not involve any change in the thickness or texture of the skin) with a red or reddish color often associated with inflammation or irritation.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0025475","HPO_Name__c":"Erythematous macule","Feature_System__c":"Skin System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:50918","HPO_Frequency__c":"Uncommon (<1-4%)","Feature__r":{"HPO_Description__c":"Ataxia refers to impaired coordination of voluntary muscle movement. Cerebellar ataxia refers to ataxia due to dysfunction of the cerebellum. This causes a variety of elementary neurological deficits including asynergy (lack of coordination between muscles, limbs and joints), dysmetria (lack of ability to judge distances that can lead to under- or overshoot in grasping movements), and dysdiadochokinesia (inability to perform rapid movements requiring antagonizing muscle groups to be switched on and off repeatedly).","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0001251","HPO_Synonym__c":"Cerebellar ataxia","HPO_Name__c":"Ataxia","Feature_System__c":"Nervous System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:50918","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Description__c":"A reduction in erythrocytes volume or hemoglobin concentration.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0001903","HPO_Synonym__c":"Anaemia; Low number of red blood cells or hemoglobin","HPO_Name__c":"Anemia","Feature_System__c":"Blood and Blood-Forming Tissue","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:50918","HPO_Frequency__c":"Frequent (30-79%)","Feature__r":{"HPO_Description__c":"Edema in the region of the eyelids.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0100540","HPO_Synonym__c":"Edema of the eyelids; Eyelid edema; Fullness of eyelids; Puffy eyelids; Puffy lids; Swelling of eyelids","HPO_Name__c":"Palpebral edema","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:50918","HPO_Frequency__c":"Frequent (30-79%)","Feature__r":{"HPO_Description__c":"Occurrence of excessive sweating during sleep.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0030166","HPO_Synonym__c":"Night sweats; Nocturnal hyperhidrosis","HPO_Name__c":"Night sweats","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:50918","HPO_Frequency__c":"Frequent (30-79%)","Feature__r":{"HPO_Description__c":"Morphologically similar to a papule, but greater than either 10mm in both width and depth, and most frequently centered in the dermis or subcutaneous fat.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0200036","HPO_Synonym__c":"Growth of abnormal tissue on or under the skin","HPO_Name__c":"Skin nodule","Feature_System__c":"Skin System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:50918","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Description__c":"A circumscribed, solid elevation of skin with no visible fluid, varying in size from a pinhead to less than 10mm in diameter at the widest point.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0200034","HPO_Synonym__c":"Papules","HPO_Name__c":"Papule","Feature_System__c":"Skin System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:50918","HPO_Frequency__c":"Uncommon (<1-4%)","Feature__r":{"HPO_Description__c":"A small elevation of the skin containing cloudy or purulent material usually consisting of necrotic inflammatory cells.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0200039","HPO_Synonym__c":"Pimple; Pustula; Pustular lesion; Pustules; Skin pustule; Skin pustules","HPO_Name__c":"Pustule","Feature_System__c":"Skin System; Immune System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:50918","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Description__c":"The presence of autoantibodies in the serum that react against nuclei or nuclear components.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0003493","HPO_Synonym__c":"Antinuclear antibodies; Antinuclear antibody positive; Elevated antinuclear antibody; Serum antinuclear antibody","HPO_Name__c":"Antinuclear antibody positivity","Feature_System__c":"Immune System","HPO_Feature_Type__c":"Lab"}},{"Provided_By__c":"ORPHA:50918","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Description__c":"An abnormality of the neck.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0000464","HPO_Synonym__c":"Abnormality of the neck; Anomaly of the neck","HPO_Name__c":"Abnormality of the neck","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:50918","HPO_Frequency__c":"Frequent (30-79%)","Feature__r":{"HPO_Description__c":"Pruritus is an itch or a sensation that makes a person want to scratch. This term refers to an abnormally increased disposition to experience pruritus.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0000989","HPO_Synonym__c":"Itching; Itchy skin; Skin itching","HPO_Name__c":"Pruritus","Feature_System__c":"Skin System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:50918","HPO_Frequency__c":"Frequent (30-79%)","Feature__r":{"HPO_Description__c":"An erythematous (red), flat facial rash that affects the skin in the malar area (over the cheekbones) and extends over the bridge of the nose.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0025300","HPO_Synonym__c":"Butterfly rash; Cheekbone rash","HPO_Name__c":"Malar rash","Feature_System__c":"Skin System; Immune System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:50918","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Description__c":"Increase in the number or proportion of lymphocytes in the blood.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0100827","HPO_Synonym__c":"High lymphocyte count; Lymphocytosis","HPO_Name__c":"Increased total lymphocyte count","Feature_System__c":"Immune System; Blood and Blood-Forming Tissue","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:50918","HPO_Frequency__c":"Frequent (30-79%)","Feature__r":{"HPO_Description__c":"Inflammation of blood vessel.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0002633","HPO_Synonym__c":"Angiitis; Inflammation of blood vessel","HPO_Name__c":"Vasculitis","Feature_System__c":"Cardiovascular System","HPO_Feature_Type__c":"Symptom"}}],"tags":{"Specialist":["Rheumatology","Pediatrics"]},"synonyms":["histiocytic necrotising lymphadenitis"," histiocytic necrotizing lymphadenitis"," histiocytic necrotizing lymphadenopathy"," kikuchi disease"," kikuchi necrotizing lymphadenitis"," kikuchi-fujimoto's disease"," kikuchi's disease"," nosocomial kikuchi's disease"]}