He was diagnosed with adult polycystic kidney disease in India 2 years previously following severe systemic hypertension and has been on anti-hypertensive -Tabs Valsartan 160 mg daily and Tabs Carvedilol 25 mg bd. His mother had adult polycystic kidney disease post renal transplantation in India. He is the 2 nd of three children in a monogamous family setting.The physical examination at presentation revealed a young man who was well built, fully conscious and alert, not pale, afebrile, anicteric with extensive bilateral sub-conjunctival haemorrhages, petechiae haemorrhages on the lips, gum bleeds, a left lower cervical lymphadenopathy and no pedal edema.The chest examination revealed no abnormalities. The Cardiovascular system revealed a pulse of 100 beats per minute, blood pressure was 160/120 mmHg with heart sounds I and II only. The abdomen was full and moves with respiration, moderate generalized tenderness and guarding, both kidneys were bimanually palpable but there was no palpably enlarged liver and spleen.He was admitted and managed by the Haematology and Nephrology teams. Complete blood counts at presentation showed haematocrit of 0.38, white cell of 6.5×10 9 /L, platelet count of 6.0 × 10 9 /L, Neutrophils-61%, lymphocytes-29%, monocytes-8%, Eosinophils-1% and Basophils-1%. The peripheral blood film review showed red blood cells with moderate hypochromia and severe microcytosis ( Figure 1). The white cells showed primitive intermediate sized lymphoblasts with high nucleo-cytoplasmic ratio and pale blue agranular cytoplasm. Some of these cells have 1-2 prominent nucleoli. These lymphoblasts constitute about 40% of all circulating white cells. There was also