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Biomedical subjects

M Moinuddin

Publications and source records attributed to M Moinuddin.

52 records · Page 3Linked to original sources

Pericarditis as a manifestation of essential thrombocythemia.

A 58-year-old woman presented with pericarditis and pericardial effusion. Investigation revealed that she was suffering from a thrombocythemic myeloproliferative disorder; she died of massive pulmonary embolism 10 days after admission. Histologic study verified epicardial and pericardial trilineage hematopoiesis. Pericarditis is an unusual feature of essential thrombocythemia and it may occur in direct relation to the abnormal cellular proliferation.

Female↗

Hashimoto's thyroiditis with immunoblastic lymphadenopathy and unusual "macaroni cells".

Light and electron microscopic study of the thyroid gland and an enlarged cervical lymph node in a 75-year-old woman with Hashimoto's thyroiditis disclosed immunoblastic proliferation in the lymph node, marked by collections of striking round cells positive to periodic acid-Schiff (PAS) staining, immunoblasts and plasmacytoid elements in a vascular, fibrous framework. The PAS-positive cells ("macaroni cells") were distended with whorls of angulated tubular material resembling endoplasmic reticulum. Parafollicular-cell hyperplasia and an atypical plasmacytoid focus were noted in the thyroid. Hashimoto's disease is known to be associated with malignant lymphoma, as are autoimmune and malignant diseases with immunoblastic lymphadenopathy. This is the first report of the association of Hashimoto's disease and immunoblastic lymphadenopathy. The atypical plasma cells have not previously been described.

Aged↗