Publications by authors named "Reena Bharadwaj"

Introduction: To study the ultra-structural changes in the diseased corneal cells by histopathology, electron microscopy, and immunohistochemistry using conventional antisera and monoclonal antibodies with the ultimate goal of justifying pre-treatment and post-treatment advice and, if necessary, modifying the post-operative treatment for improved graft survival.

Methods: Thirty cases registered for penetrating keratoplasty were worked up for routine systemic and ophthalmic criteria. A full-thickness diseased cornea was subjected to histopathology after suitable staining and fixation, including electron microscopic and immunohistochemical studies where possible.

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Background: Breast cancer is the leading cause of cancer-related deaths in Asia and is emerging as the commonest female malignancy. Angiogenesis or neovascularization is important for the growth and spread of malignant tumors, and quantitative assessment of angiogenesis may prove valuable in prognostication. This study was undertaken to quantify and explore angiogenesis with immunohistochemistry with CD 34, CD 105, and vascular endothelial growth factor (VEGF), as well as morphometric analysis and correlate with the grades of the invasive breast carcinoma.

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Background: The new IASLC/ATS/ERS classification provides standardized terminology for lung cancer diagnosis in small biopsies and cytology specimens.

Objectives: The aim was to study the feasibility of the guidelines using one marker for adenocarcinoma (ADC) and one for squamous cell carcinoma (SQCC) in non-small cell lung carcinomas (NSCLCs).

Subject And Methods: In this study, we reviewed all the formalin-fixed paraffin-embedded tissue blocks diagnosed as lung carcinoma between July 2016 and December 2017.

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Anaplastic thyroid carcinoma (ATC) is a rare, highly malignant thyroid tumor with dismal prognosis. Osteoclastic giant cell variant of ATC is extremely rare and is characterized by the presence of a large number of multinucleated giant cells resembling osteoclasts. We report here this unusual variant in a 67-year-old female with a history of long-standing goiter of 13 years duration.

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Background: Membranoproliferative glomerulonephritis (MPGN) has traditionally been classified on electron microscopy (EM) into different types based on the location of the immune complexes. Sethi et al. subsequently suggested a more relevant etiology-based and clinically useful classification based on immunofluorescence.

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Mucormycosis is a relatively rare fungal infection seen in immunocompromised patients. Very few cases of invasive cutaneous mucormycosis occurring in neonates have been reported in literature. It is an aggressive disease with a mortality rate of around 64% in neonates, so a high index of suspicion is essential for rapid diagnosis and definitive treatment with broad-spectrum antifungals such as Amphotericin B.

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In tumor nephrectomy specimens, the evaluation of the normal renal parenchyma is often overlooked. A patient with both end-stage renal diseases (ESRDs) with a renal cell carcinoma is more likely to die of the ESRD rather than cancer. At the time of nephrectomy, a pathologist has a large amount of tissue available to him to comment upon the presence of disease in the nonneoplastic kidney.

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Primary cutaneous lymphomas are a unique, heterogeneous group of lymphoproliferative disorders which have a primary cutaneous manifestation in the absence of systemic involvement of lymph nodes, bone marrow, or visceral organs at the time of diagnosis. Among the primary cutaneous lymphomas, B-cell lymphoma is much less common and accounts for 20%-25% of cases. Primary cutaneous diffuse large B-cell lymphomas (PCDLBCLs) are aggressive neoplasms with poor prognosis.

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Sclerosing Mediastinitis (SM) is a rare condition which is characterized by the presence of dense fibrosis which infiltrates and encroaches upon various structures in the mediastinal cavity. Depending on the extent and the predominant organ of involvement, the patient presents with symptomatology of dysphagia, superior vena cava compression syndrome or dyspnoea. However, the involvement of the heart is rarely seen.

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Context: Gastric adenocarcinoma (GAC) is a common malignancy with high mortality-rate. Analysis of molecular markers could form a foundation for the future use of targeted therapies to reduce morbidity and mortality.

Aims: To find the prevalence and relation of epithelial cadherin (E-cadherin) and human epidermal growth factor receptor 2 (HER-2/neu) protein expression with histological type and grade of GAC using immunohistochemistry (IHC).

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Burkitt's lymphoma is a form of non-Hodgkin's B-cell lymphoma with more than one identifiable variant. This tumour was first noted in Africans. The sporadic form most commonly presents with abdominal lymph node involvement.

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Background: One-tenth of all infectious diseases are attributable to emerging organisms. As emerging organisms sporadically affect a relatively small percentage of population they are not studied at large. This study was aimed at studying the characteristics of emerging organisms encountered from various clinical samples in an apex tertiary care multispeciality teaching and research hospital.

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The gastric teratoma is a very rare tumour that usually presents as an abdominal mass, gastrointestinal bleeding with/without features of gastric outlet obstruction. We report a rare case of immature gastric teratoma in a two months old female child who presented with abdominal lump and jaundice. The presentation was a diagnostic challenge and a dilemma, added by the fine needle aspiration cytology (FNAC) suggestive of small round cell tumor, favouring diagnosis of Wilms tumor over Neuroblastoma.

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An unusual autopsy finding was seen in a young case of metastatic teratocarcinoma of the right testis. The patient presented with features of myocardial ischemia and died of sudden cardiac arrest. At autopsy, the lungs were studded with variably sized metastatic nodules composed of glistening hyaline cartilage.

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Peripheral neuroepithelioma of the soft tissues is an uncommon member of primitive neuroectodermal tumors. Divergent differentiation and polyphenotypia is known in peripheral neuroepithelioma. We report one such recurrent peripheral neuroepithelioma in an infant which was detected at one month of age, in the foot.

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We report here a 14 year female who complained of a swelling in left flank, multiple fractures of the left humerus and tibia and a solitary nodule on the left side of the neck. Relevant investigations suggested a parathyroid adenoma. Surgical exploration of the neck was done.

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Background: Pulmonary hydatid is caused by larval stage of parasite Echinococcus granulosus. Although surgery still remains the definitive therapy, various workers have tried albendazole and sterilization of cysts with varying result.

Methods: 32 patients(21 males, 11 females) of pulmonary hydatid disease with average age 32.

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