Cytopathological spectrum of peripheral neuroblastic tumours in fine needle aspiration cytology and categorisation as per International Neuroblastoma Pathology Classification.

Objective: The aim of this analysis was to describe the cytopathology spectrum of peripheral neuroblastic tumours (NTs) including neuroblastoma (NB), ganglioneuroblastoma (GNB) and ganglioneuroma (GN). Feasibility of applying the International Neuroblastoma Pathology Classification (INPC) to further subtype NTs in cytology was evaluated.

Methods: All peripheral NTs reported on fine needle aspiration during 2011-2015 were retrieved and detailed cytomorphological evaluation was performed.

Ovarian Small Cell Carcinoma of Hypercalcemic Type in an Adolescent Girl.

Objective: Small cell carcinoma of ovary, hypercalcemic type is a rare malignancy with a dismal prognosis. The diagnosis is often confused with many other tumors.

Case Report: We describe a rare case of ovarian small cell carcinoma of hypercalcemic type in an adolescent.

Plasmablastic lymphoma of bone marrow: Report of a rare case and immunohistochemistry based approach to the diagnosis.

Plasmablastic lymphoma (PBL) is a distinctly rare neoplasm believed to arise from post-germinal center, terminally differentiated, activated B cells before transformation to plasma cells; and predominantly affecting human immunodeficiency virus (HIV) infected or immunodeficient males. Here, we report a rare case of primary PBL of bone marrow in an immunocompetent male, the diagnosis of which is complicated by the overlapping morphology and immunophenotype with several large cell lymphomas and plasma cell neoplasms; and showing dramatic response to anti-CD30 monoclonal antibody based therapy. We discuss the immunohistochemistry based approach and the possible diagnostic pitfalls in such cases.

Multiple Opportunistic Infections in an 8-month-old Infant: Is it Seronegative HIV Infection?

We describe an 8-mo-old boy who presented with acute respiratory failure following a prolonged febrile respiratory illness with features suggesting immunodeficiency.