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Background: Advances in imaging techniques and longer survival of chronic medical conditions contribute to the increase in paediatric thrombosis. We aim to determine the incidence, underlying risk factors, management and clinical outcome of paediatric thrombosis at a multidisciplinary facility of Pakistan. Methods: A retrospectively analysis of the medical records of patients in the paediatric age group admitted at the Aga Khan University hospital from January 2013-September 2018 was performed. Site of thrombosis, associated risks factors, management options and outcome of thrombotic event were evaluated. Results: Of the 22,320 paediatric hospitalization, 35 paediatric patients were diagnosed with thrombosis (15 cases per 10,000 admissions). The median age of the study group was 15 years and twenty patients (57%) were male. The commonest site of thrombosis was in lower limb venous 11 (31%), followed by upper limb venous thrombosis 6 (17%), abdominal vein thrombosis 7 (20%), cerebral venous thrombosis 5 (14%), pulmonary embolism and arterial thrombosis 3(9% each). Eighty three percent had underlying clinical condition including central venous catheter [CVC] (26%), malignancy and infection (14% each), antiphospholipid antibody syndrome (9%), inherited thrombophilia (9%), congenital heart disease (6%), while thrombotic thrombocytopenic purpura and autoimmune disorder (3% each). 12 (34%) patients were treated with heparin only, 8 (23%) received heparin followed by warfarin while warfarin as a single agent was given in 2 (5.7%) patients. One patient died of pulmonary embolism while 9(25%) had persistence or recurrence of thrombosis. Conclusion: Incidence of paediatric thrombosis was 0.15%. CVC placement was the most common associated risk factor. Warfarin and heparin both were found to be safe anticoagulation option. Recurrence rate was found to be high

Essential thrombocytopenia is the myeloproliferative neoplasm associated with the JAK2/CALR/MPL mutation. It is characterized by an increase in thrombocytes and abnormal megakaryocytes. WHO established the diagnostic criteria for diagnosing the myeloproliferative disorder, which is the combination of molecular, clinical, and histological findings. The appearance of megakaryocytes on bone marrow biopsy is the distinguishing feature to identify myeloproliferative neoplasm, and this short review would like to emphasize the presentation of megakaryocytes in bone marrow biopsy.

Objective: To determine the association of Factor V Leiden / prothrombin gene mutation in Pakistani women with adverse pregnancy outcomes. Method: The prospective study was conducted at the Aga Khan University Hospital, Karachi, from January 1 to December 31, 2016, and comprised females ?40 years having history of two or more foetal losses with no apparent aetiology. Restriction fragment length polymorphism- Polymerase chain reaction was performed using MnlI and HindIII restriction enzymes for factor V Leiden G1691A and prothrombin gene mutation G20210A. Females with two or more consecutive normal pregnancies were enrolled as the control group. Data was analysed using SPSS 19. Results: Of the 172 participants with a mean age of 29.3±5.9 years (range: 19-38 years). 86(50%) each were healthy controls and those with recurrent pregnancy loss. There were 238 livebirths among the controls compared to 13 in the other group. Factor V Leiden G1691A was identified in 2(2.3%) women, and prothrombin gene mutation G20210A in 1(1.2%) woman in the patient group, while no mutation was identified in the control group. Conclusion: The prevalence of Factor V Leiden / prothrombin gene mutation in women with recurrent pregnancy loss was found to be very low. Continuous....

Iron overload-associated organ damage in transfusion-dependent anemias is a well-known phenomenon. Here, we discuss a case of 28-year-old, poorly chelated thalassemia major patient, whose blood workup revealed pancytopenia and moderately raised serum ferritin levels. His bone marrow examination was performed which revealed massive iron overload. Aggressive iron chelation led to successful recovery of peripheral blood counts in his patient. This case focuses on the importance of early detection and timely management of reversible iron overload toxicities. Serum ferritin although is convenient marker to asses iron overload, but it should not be relied upon to assess the severity of iron overload. Hence, organ-specific diagnostic modalities must be used along with serum ferritin to assess the severity of iron overload to prevent long-term complications in patients with regular blood transfusions.

This is a story of a medical intern whose cascade of baffling thoughts about pursuing a career finally led to a gratifying conclusion. This young intern is easily swayed by the opinions of others, but circumstances proved that the field he chose was the one he was made for. This is a story of determination and belief in one's ability, which gave the power to fight against the odds.

Haemoglobin (Hb) K Woolwich is a rare Hb variant which was first described in a family from West Indies and its occurrence was later reported mainly in Black families from many African countries. We report a case of a young male who came for evaluation of anemia. His complete blood count showed hypochromic, microcytic anemia and his serum ferritin was low. Hb electrophoresis done as part of initial workup showed an abnormal band which moved faster than HbA. For further evaluation, Hb analysis by high performance liquid chromatography was subsequently performed and revealed Hb K Woolwich. This is a rare Hb variant recognized in Pakistani population for the first time through careful interpretation of the chromatographic behavior of the Hb.