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Title: High incidence of gastrointestinal tract disorders and autoimmunity in primary cutaneous marginal zone B-cell lymphomas. Author: Guitart J, Deonizio J, Bloom T, Martinez-Escala ME, Kuzel TM, Gerami P, Kwasny M, Rosen ST. Journal: JAMA Dermatol; 2014 Apr; 150(4):412-8. PubMed ID: 24500411. Abstract: IMPORTANCE: To our knowledge, this is the first comprehensive study addressing comorbidities associated with primary cutaneous marginal zone B-cell lymphomas (PCMZLs). OBJECTIVE: To determine if patients with PCMZL were at risk for other medical conditions. DESIGN, SETTING, AND PARTICIPANTS: Case-control study at a cutaneous lymphoma clinic and a dermatopathologic consultation service at a single academic institution using an extensive questionnaire of illnesses, symptoms, and environmental exposures for 80 sequential patients with PCMZL and 80 matched controls. MAIN OUTCOMES AND MEASURES: The frequency of several morbidities was obtained in both groups from data gathered from the questionnaire and corroborated by reviewing medical records when available. RESULTS: We found a high incidence of past or present gastrointestinal tract problems in 49 patients (61.2%) with PCMZL compared with 30 participants (37.5%) in the control group (CG) (P = .003). Gastroesophageal reflux was reported in 50.0% (40 vs 27 in the CG, P = .04) and gastric ulcers in 10.0% (8 vs 3 in the CG, P = .13); 20.0% of the cohort had positive Helicobacter pylori serology (16 vs 2 in the CG, P = .003). Colon disorders, including irritable bowel syndrome and inflammatory bowel disease, were more common in the PCMZL cohort (20 vs 7 in the CG, P = .01). Autoimmunity was reported in 20.0% of participants (16 vs 6 in the CG, P = .03). Eight patients had a history of Hashimoto thyroiditis. Three patients had a positive antinuclear antibody. Two had a diagnosis of lupus erythematosus and 1 had Sjögren syndrome. Sicca syndrome was noted in 12.5% (10 vs 3 in the CG, P = .052). A history of noncutaneous malignant neoplasms was observed in 21.3% of the patients (17 vs 8 in the CG, P = .050). Other notable morbidities did not reach statistical significance. CONCLUSIONS AND RELEVANCE: Our results indicate a high incidence of systemic conditions in patients with PCMZL, especially involving the gastrointestinal tract, but also autoimmunity and cancer.[Abstract] [Full Text] [Related] [New Search]