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. 2024 Oct;113(4):400-415.
doi: 10.1111/ejh.14269. Epub 2024 Jul 19.

A systematic review of the literature on localized gastrointestinal tract amyloidosis: Presentation, management and outcomes

Mariuxi Alexandra Viteri Malone  1 , David Alfonso Alejos Castillo  2 , Heitor Tavares Santos  3 , Anahat Kaur  1 , Tarek Elrafei  1 , Lewis Steinberg  1 , Abhishek Kumar  1
Affiliations

A systematic review of the literature on localized gastrointestinal tract amyloidosis: Presentation, management and outcomes

Mariuxi Alexandra Viteri Malone et al. Eur J Haematol. 2024 Oct.

Abstract

Purpose: Localized gastrointestinal tract amyloidosis is uncommon and little is known regarding this entity. There is no current standard of care for the management of localized amyloidosis. The objective of this study was to evaluate the characteristics, available treatments, outcomes and surveillance of these patients.

Methods: We conducted a systematic review of cases reported in the literature from 1962 to 2021. Patients with gastrointestinal amyloidosis reported in English literature were included in the analysis. We described and summarized the patient's characteristics, treatments, clinical presentations, outcomes and surveillance.

Results: The systematic review of reported clinical cases included 62 patients. In these patients, the most common site of amyloid deposition was the stomach (42%). The median age of diagnosis is 64.4 years old; there is a 2:1 prevalence among males (63%) to females (37%); abdominal pain is the most common type of presentation (41%), although patients could also be asymptomatic. There is a high curative rate (100%) with resection alone. Among patients treated with a type of systemic therapy, 80% achieved a complete response. The minority of cases reported a type of surveillance post treatment, and among those 62% pursued serial clinical evaluations alone.

Conclusion: To our knowledge, this is the first and largest systematic review of the literature in gastrointestinal tract amyloidosis. This is more common among males and seems to have an excellent curative rate (100%) with surgery alone. Systemic therapy is an option for those with non-resectable amyloidomas. Serial clinical evaluations should be part of the standard surveillance care in these patients.

Keywords: amyloidosis; chemotherapy; gastric amyloidomas; gastric amyloidosis; gastrointestinal amyloidomas; gastrointestinal tract; surgery; systemic therapy.

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References

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