Extramedullary leukaemia.
D002493:Central Nervous System Diseases / Q000175:diagnosis* / Q000517:prevention & control; D005260:Female; D006801:Humans; D007945:Leukemia, Lymphoid / Q000175:diagnosis* / Q000517:prevention & control; D008297:Male; D009423:Nervous System Neoplasms / Q000175:diagnosis* / Q000517:prevention & control; D010051:Ovarian Neoplasms / Q000175:diagnosis*; D013736:Testicular Neoplasms / Q000175:diagnosis* / Q000517:prevention & control