Gene/Protein Disease Symptom Drug Enzyme Compound
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Query: UMLS:C0023418 (leukemia)
 93,477 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

Two males aged 12 and 38 years presented with widespread severely pruritic blackish spots for 15 days. Widespread slate-grey patches and erythematous hyperpigmented plaques were observed with a positive Darier's sign. There were associated neck swellings, abdominal pain, anorexia, weight loss and bleeding gums in both. Peripheral blood and bone marrow showed blast cells, anaemia and thrombocytopenia. Cell surface markers confirmed the presence of acute lymphoblastic leukaemia. Skin biopsy showed an infiltrate of lymphoblasts as well as mast cells. Partial response was noted with cytotoxic therapy in 1 patient. Thus lesions mimicking urticaria pigmentosa may be the presenting sign of acute lymphoblastic leukaemia.
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PMID:Urticaria-pigmentosa-like lesions in acute lymphoblastic leukaemia (2 cases). 845 53

Infantile leukemia accounts for only 3% of childhood leukemia. Leukemia cutis occurs in 25% to 30% of infants with congenital leukemia and is more frequently associated with acute myeloid leukemia than with acute lymphoblastic leukemia. We describe an infant in whom hyperpigmented macules that developed when the patient was 2 weeks old demonstrated Darier's sign when he was 4 weeks old. Acute lymphoblastic leukemia, early pre-B-cell type, was diagnosed when the patient was 10 weeks old. Examination at that age revealed 1 to 2 cm, firm, mildly tender nodules clustered on the scalp, face, and extremities, less severe involvement of the trunk, and marked induration of the face and eyelids. Darier's sign was elicited from the less infiltrated truncal lesions. Histologic examination revealed a dense monomorphous infiltrate consisting of pleomorphic, undifferentiated cells. No mast cells were revealed by Giemsa staining. This case is to our knowledge the first reported example of leukemia cutis demonstrating Darier's sign.
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PMID:Leukemia cutis: Darier's sign in a neonate with acute lymphoblastic leukemia. 865 30