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1.
BMJ Case Rep ; 16(5)2023 May 02.
Article in English | MEDLINE | ID: mdl-37130641

ABSTRACT

Gastrointestinal (GI) amyloidosis can be acquired or genetic and is commonly caused by chronic inflammatory illnesses (AA amyloidosis), haematological malignancies (AL amyloidosis) and end-stage renal disease (beta-2 microglobulin amyloidosis). The accumulation of these aberrant proteins disrupts the structures and functions of many organs; the least common of which is the GI tract. GI presentations depend on the type, location and amount of amyloid deposition. Symptoms can range from nausea and vomiting to fatal GI bleeds. Pathological examination of the involved tissue with characteristic green birefringence under polarised light is used to confirm the diagnosis. Patients should be considered for further evaluation to rule out additional organ involvement, notably cardiac and renal. We present a patient with amyloidosis-induced gastroparesis, an under-recognised presentation of systemic amyloidosis in the gastroenterology system.


Subject(s)
Amyloidosis , Gastroparesis , Immunoglobulin Light-chain Amyloidosis , Humans , Immunoglobulin Light-chain Amyloidosis/complications , Immunoglobulin Light-chain Amyloidosis/diagnosis , Gastroparesis/diagnosis , Gastroparesis/etiology , Amyloidosis/complications , Amyloidosis/diagnosis , Gastrointestinal Hemorrhage
2.
Gastroenterol Clin North Am ; 51(1): 123-144, 2022 03.
Article in English | MEDLINE | ID: mdl-35135658

ABSTRACT

Painful and bothersome anorectal syndromes can be a diagnostic and therapeutic challenge for clinicians because structural and functional abnormalities may often coexist and require a multidisciplinary approach to management. Although it is often difficult to attribute all of a patient's anorectal symptoms to a singular disorder with definitive intervention and cure, improving quality of life, treating coexistent conditions such as functional constipation and/or defecation disorders, addressing psychological comorbidities if present, and confirming there is no evidence of inflammatory or malignant conditions are top priorities.


Subject(s)
Anus Diseases , Fistula , Hemorrhoids , Anal Canal , Anus Diseases/diagnosis , Anus Diseases/etiology , Anus Diseases/therapy , Constipation/etiology , Constipation/therapy , Fistula/complications , Hemorrhoids/complications , Hemorrhoids/diagnosis , Humans , Pain/complications , Quality of Life , Syndrome
4.
Gastrointest Tumors ; 6(1-2): 51-55, 2019 Aug.
Article in English | MEDLINE | ID: mdl-31602377

ABSTRACT

Gastrointestinal Kaposi sarcoma (GI-KS) is the most common extra-cutaneous site of KS in HIV/AIDS, and the majority (75%) of affected patients are asymptomatic. GI-KS rarely occurs in the absence of cutaneous lesions. Opportunistic GI infections in HIV/AIDS and GI-KS can present with similar symptoms especially diarrhea, creating a diagnostic challenge. We present a 46-year-old homosexual male with a medical history of HIV/AIDS and neurosyphilis, who presented with 2 weeks of nonbloody diarrhea and abdominal discomfort. He was initially worked up for infectious diarrhea, initiated on highly active anti-retroviral (HAART) and supportively managed with rehydration therapy and analgesia. However, his clinical symptoms did not improve, necessitating abdomen/pelvic CT scan which revealed extensive recto-sigmoid colon thickening and pelvic lymphadenopathy. Due to a high suspicion of malignancy, diagnostic endoscopy and biopsy were done which showed colonic KS. He was treated with intravenous pegylated doxorubicin in addition to HAART which evidently resulted in significant clinical and radiological improvement. The diagnosis of GI-KS could be challenging in the presence of overlapping features with opportunistic GI infections and the absence of cutaneous manifestations of KS because clinicians tend to focus more on infectious etiology. We suggest that clinicians should consider GI-KS in the differential diagnosis of patients with HIV/AIDS that present with diarrhea and other nonspecific abdominal symptoms. Early endoscopic evaluation with biopsy could help to ensure the timely diagnosis and management of GI-KS and ultimately improve outcomes.

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