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Updated: Aug 15, 2026

Ileectomy-induced Bile Overaccumulation in Mouse Intestine
Published on: August 21, 2017
[Fatal subileus caused by intestinal amyloidosis in light chain plasmacytoma]
C S Verbeke1, M H Bohrer, A Döring
1Pathologisches Institut, Fakultät für klinische Medizin Mannheim, Universität Heidelberg.
Abstract:
This report concerns a patient with systemic amyloidosis due to a plasmocytoma, in whom massive amyloid depositions in the small bowel caused severe diarrhoea and malabsorption. The excessive amyloid depositions in the lamina muscularis propria of the bowel finally resulted in therapy-resistant motility disturbance and adynamic subileus with fatal outcome.
Insights
Systemic amyloidosis from plasmacytoma led to severe gastrointestinal issues, including diarrhea and malabsorption. Extensive amyloid deposits in the small bowel
Area of Science:
- Gastroenterology
- Oncology
- Pathology
Background:
- Systemic amyloidosis is a rare condition characterized by abnormal protein deposition.
- Plasmacytoma, a plasma cell neoplasm, can be a cause of systemic amyloidosis.
- Gastrointestinal involvement in amyloidosis can lead to significant morbidity.
Observation:
- A patient presented with systemic amyloidosis secondary to plasmacytoma.
- Massive amyloid depositions were observed in the small bowel wall, specifically the lamina muscularis propria.
- The patient experienced severe diarrhea and malabsorption.
Findings:
- Amyloid deposition in the small bowel's lamina muscularis propria caused profound gastrointestinal dysfunction.
- Therapy-resistant motility disturbance and adynamic subileus were the terminal complications.
- The case highlights a fatal outcome due to extensive intestinal amyloidosis.
Implications:
- This case underscores the critical role of the small bowel's muscularis propria in motility.
- It emphasizes the potential for severe gastrointestinal complications in systemic amyloidosis.
- Understanding these mechanisms is vital for managing patients with amyloidosis and plasmacytoma.
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