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  1. No Access

    Chapter

    Non-neoplastic Lesions of the Appendix

    The vermiform appendix is often regarded as a rudimentary or vestigial organ in human beings. This view has been challenged time and again, and contrary to earlier considerations, its role in immunological su...

    Arghya Bandyopadhyay, Kaushik Majumdar in Surgical Pathology of the Gastrointestinal… (2022)

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    Chapter

    Diagnostic Special Stains, Immunohistochemical Markers, and Special Techniques Used in Gastrointestinal Tract Pathology

    The gastrointestinal pathology laboratory services involve an appreciable amount of workload predominantly comprising of luminal endoscopic biopsies and resection specimens. Along with samples soliciting histo...

    Kaushik Majumdar, Puja Sakhuja in Surgical Pathology of the Gastrointestinal System (2022)

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    Chapter

    Benign Diseases of the Stomach

    Inflammatory diseases of the stomach cover a broad spectrum of diseases ranging from erosions and hemorrhagic gastritis to the potential precursor lesions of gastric neoplasia. Among these, the predominant foc...

    Kaushik Majumdar, Ratnadeep Ganguly in Surgical Pathology of the Gastrointestinal… (2022)

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    Chapter

    Molecular Classifications of Gastrointestinal Tract Tumors

    Gastrointestinal malignancies are increasing in most parts of the world. Gradually the distinctions of incidence and demography of these malignancies between the western world and Asian countries are becoming ...

    Archana Rastogi, Chagan Bihari in Surgical Pathology of the Gastrointestinal… (2022)

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    Chapter

    Pathology of Inflammatory Bowel Diseases and Its Mimickers, Immunodeficiency and Vascular Gastrointestinal Lesions, and Drug-Induced Bowel Pathologies

    This chapter describes important acute and chronic inflammatory lesions of the intestine, along with immunodeficiency diseases and vascular and drug-induced lesions of the bowel. This chapter highlights the ep...

    Tanush Vig, Prasenjit Das, Puja Sakhuja in Surgical Pathology of the Gastrointestinal… (2022)

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    Chapter

    Setting Up and Management of an Ideal GI Pathology Laboratory with Emphasis on Hospital Information System

    The setup of a gastrointestinal (GI) pathology laboratory focuses on building the infrastructure, procurement, delivery of services through trained technical experts, efficient communication with the clinical ...

    Niraj Kumari, Kaushik Majumdar in Surgical Pathology of the Gastrointestinal… (2022)

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    Article

    Meningeal osteochondroma simulating meningioma with metaplastic change: a rare golf-ball-like lesion of non-meningothelial mesenchymal origin

    Non-meningothelial mesenchymal tumors of the central nervous system (CNS), including those originating from the meninges, histologically correspond to tumors of soft tissue or bone. These individual entities a...

    Kaushik Majumdar, Shramana Mandal, Ravi Thakkar, Ravindra K. Saran in Brain Tumor Pathology (2014)

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    Article

    Medulloblastoma with focal divergent/teratoid differentiation

    Medulloblastomas with myogenic differentiation, previously termed medullomyoblastomas, form rare variants of medulloblastomas. Occasional tumors showing combined myogenic differentiation and melanotic tubular ...

    Kaushik Majumdar, Ila Tyagi, Ravindra K. Saran, Puja Sakhuja in Brain Tumor Pathology (2013)

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    Article

    Gliosarcoma with osseous tissue: an occasional metaplastic component

    Glioosarcomas represent a rare entity of intrinsic CNS neoplasms consisting of glial and sarcomatous elements; they account for 2 % of glioblastomas. There have been few reports of metaplastic osseous transfor...

    Ila Tyagi, Kaushik Majumdar, Sanjay Mehta, Vineeta V. Batra in Brain Tumor Pathology (2013)