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A case of primary systemic amyloidosis with amyloid deposits in the duodenum and bone marrow aspirate: A rare finding
Majed Abdul Basit Momin1, Abhijeet Ingle1, Ravisankar Reddy2, G Vamshi Krishna Reddy3
1 Department of Laboratory Medicine, Yashoda Hospital, Hyderabad, Telangana, India
2 Department of Gastroenterology, Hepatology and Interventional Endoscopy, Yashoda Hospital, Hyderabad, Telangana, India
3 Department of Medical Oncology and Hemato-Oncologist, Yashoda Hospital, Hyderabad, Telangana, India
Correspondence Address:
Majed Abdul Basit Momin,
Department of Laboratory Medicine, Yashoda Hospital, Malakpet, Nalgonda X-Roads, Hyderabad - 500 036, Telangana
India
 Source of Support: None, Conflict of Interest: None DOI: 10.4103/ijh.ijh_15_23
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Amyloidosis is a group of diseases characterized by extracellular abnormal proteinaceous material (amyloid) deposition in various organs. As amyloid fibrils accumulate, tissues and organs may fail to function properly. Evidence of amyloid deposition in duodenal biopsies and bone marrow (BM) aspirates is uncommon and often overlooked. Here, we present a patient diagnosed with primary systemic amyloidosis who complained of pain in the abdomen, vomiting, loose stools, and generalized weakness. Histological examination of an endoscopic duodenal biopsy revealed amyloid deposits. BM aspiration cytology revealed amyloid deposition with BM plasmacytosis. She was eventually diagnosed with plasma cell dyscrasia based on a series of biochemical tests. To the best of our knowledge, reports of simultaneous amyloid deposition in the duodenum and BM aspirate smears are very rare and unpublished. This case serves to highlight the significance of careful microscopic histo-cytology and the utility of special stains for prompt diagnosis and treatment outcomes in a disease of poor prognosis.
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