Primary amyloid tumor (amyloidoma) of the jejunum with spheroid type of amyloid

The present report documents an incidentally discovered, solitary amyloidoma of the jejunum in a 70 year old man with no predisposing disorder or other sites of deposition of amyloid, as was demonstrated at autopsy. Amyloid tumors of the intestine have been reported only rarely. In those reports the...

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Bibliographic Details
Published in:Pathology 1999, Vol.31 (1), p.8-11
Main Authors: Acebo, Elvira, Mayorga, Marta, Fernando Val-Bernal, J.
Format: Article
Language:English
Subjects:
Aged
Amyloid
Amyloid - chemistry
Amyloid - ultrastructure
amyloidoma
Amyloidosis - pathology
Biological and medical sciences
Biomarkers - analysis
Birefringence
Congo Red
Diagnosis, Differential
Gastroenterology. Liver. Pancreas. Abdomen
Humans
Immunohistochemistry
intestine
Jejunal Diseases - pathology
Jejunal Neoplasms - pathology
Male
Medical sciences
spheroid amyloid
Stomach. Duodenum. Small intestine. Colon. Rectum. Anus
Tumors
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Description
Summary:The present report documents an incidentally discovered, solitary amyloidoma of the jejunum in a 70 year old man with no predisposing disorder or other sites of deposition of amyloid, as was demonstrated at autopsy. Amyloid tumors of the intestine have been reported only rarely. In those reports the deposits were conventional in type, forming large masses of acellular, eosinophilic, homogeneous material. In the case described here the deposits were in the form of corpora amylacea-like structures, or spheroids. To the best of our knowledge, the corpora amylacea-like structures, or spheroid amyloid, have not been previously described in bowel amyloidoma. This rare form of amyloid deposition should be recognized so as to prevent misdiagnosis.
ISSN:0031-3025
1465-3931
DOI:10.1080/003130299105449