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Background: Classical Hodgkin lymphoma (CHL) is characterized by a proliferation of malignant cells of the lymphoreticular system and often involves lymph nodes, spleen, liver, and bone marrow; it is rare in the head and neck region.

Case Description: A 58-year-old man had an enlargement with ulceration in the left palatine tonsil that was causing dysphagia. Microscopic examination revealed an infiltrate of large, atypical lymphoid cells positive for cluster of differentiation 30, cluster of differentiation 15, PAX5, and Epstein-Barr virus.

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Reevaluating Diagnosis of Sarcoidosis: Biopsy with Necrosis in Mycobacterial Endemic Areas.

J Assoc Physicians India

July 2024

Professor, Department of Clinical Immunology and Rheumatology, Christian Medical College, Vellore, Tamil Nadu, India, Corresponding Author.

Background: Sarcoidosis is a multisystem inflammatory disease with a variable presentation. The most characteristic feature of sarcoidosis is nonnecrotizing granulomas. However, when sarcoidosis presents with rare organ involvement, and biopsy shows necrosis, the diagnosis becomes challenging.

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The epithelial and lymphoid compartments of the thymus can give rise to a wide variety of tumours, including thymomas, thymic carcinomas, lymphoreticular proliferations, germ cell tumours, and sarcomas. While some of these have close similarity to their counterparts in other organs, both in terms of histology and immunohistochemistry, as well as molecular features, others are unique to the thymus. The epithelial tumours, which can develop in the thymus, will be discussed in this review, with a particular emphasis on resolving differential diagnosis by means of morphology, immunohistochemical profiles, and molecular diagnostics.

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Background: Lymphoblastic lymphoma (LBL) accounts for about 2% of all lymphomas. Recognition of T/B-LBL albeit of their rareness is very important as they present as localized diseases with low tumor burden. They can present both at nodal and extranodal sites.

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Objectives: The objectives of this study were to study the spectrum of neurologic complications in children with lymphoreticular malignancy (acute lymphoblastic leukemia, Hodgkin, and non-Hodgkin lymphoma) at diagnosis and during treatment and to determine the etiology of these complications.

Materials And Methods: In this descriptive cohort study, conducted between November 2018 and March 2020, 204 children with a diagnosis of lymphoreticular malignancy were enrolled. The baseline investigations were done in all the cases.

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