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Primary classical Hodgkin lymphomas of the gastrointestinal tract are rare lymphoproliferative neoplasms as against other well established mucosa-associated lymphoid tissue (MALT) lymphomas. The primary nature of these cases is established based on chest radiograph, computed axial tomography, positron emission tomography, peripheral blood and bone marrow… (More)
BACKGROUND Neuroendocrine neoplasms of the gall bladder (GB) are rare tumors classified as grade 1 and 2 neuroendocrine tumor (NET), neuroendocrine carcinoma (large cell or small cell type), and mixed adeno-neuroendocrine carcinoma (MANEC). Primary neuroendocrine carcinomas (NEC) of GB are rare with grave prognosis not withstanding radical surgical… (More)
INTRODUCTION Colorectal cancer is the third most common cancer in men and second most common in women globally. In the present study, we aimed to analyse the proportion of patients with loss of immunostaining for mismatch repair (MMR) proteins in all newly diagnosed stage II cases of colorectal cancer for the purpose of prognostication, for determination of… (More)
The primary gastrointestinal non-Hodgkin's lymphoma, although rare, is among the most common extra-nodal lymphomas, considering that gastric lymphomas are more common than intestinal lymphomas. Burkitt's lymphoma (BL) is an aggressive form of B-cell lymphoma that is typically endemic in Africa, while non-endemic cases are found in the rest of the world.… (More)
BACKGROUND To assess the immunohistochemical expression of estrogen receptor (ER), progesterone receptor (PgR) and human epidermal growth factor receptor-2 (HER2) neu receptor in breast cancer and their associations with various clinicopathological characteristics. MATERIALS AND METHODS This is a retrospective analysis of women who presented with primary,… (More)
We report a case of 50-year-old male with obstructive jaundice diagnosed as peri-ampullary collision tumor comprising of large cell neuroendocrine carcinoma and signet ring cell carcinoma. The association of neuroendocrine (usually carcinoids) and adenocarcinoma is extremely uncommon with only few case reports available in the reported literature.
Central neurocytomas are tumors with neuronal differentiation, generally arising in the lateral ventricles in the region of foramen of Monro. Whenever these tumors arise in the brain parenchyma they are called "extraventricular neurocytomas". We present two unusual cases of extraventricular atypical neurocytomas at uncommon locations with a very high Ki-67… (More)