Castleman's disease (CD), a rare benign disease is characterized by lymphoid hyperplasia of uncertain etiology that may present as a nodal or extranodal mass. We describe herein a rare case of CD occurring in the soft-tissue of right arm in a 55-year-old woman. The present case is instructive in the differential diagnosis of primary soft-tissue tumors, for which the possibility of CD should be considered. On clinical examination as well as gross examination, this disease mimics lymphomas and tuberculosis. Since cytological appearances vary depending on the type and extent of hyperplasia, fine needle aspiration cytology findings may not always be conclusive in all cases. We studied aspirates which revealed reactive hyperplasia with increased vascularity. Excision confirmed the diagnosis.
Coeliac disease, an autoimmune disease, is caused by ingestion of gluten in genetically susceptible individuals. The currently used modified-Marsh grading, used to assess mucosal injury, is fraught with interobserver and intraobserver variability. The aim is to reduce this variability by villous length morphometry. Our prospective study was conducted on newly diagnosed cases of coeliac disease that were assessed by serohaematological profile, and duodenal biopsies were evaluated by modified Marsh grading. Villous length was measured in Grades 2, 3a and 3b using an eyepiece graticule lens calibrated with a stage micrometer. Severity of mucosal injury in different Marsh grades was significantly correlated to mean villous length, elevation of mean IgA tTG and drop in haemoglobin.
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