{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,11,20]],"date-time":"2025-11-20T10:52:47Z","timestamp":1763635967116,"version":"3.45.0"},"reference-count":23,"publisher":"MDPI AG","issue":"22","license":[{"start":{"date-parts":[[2025,11,20]],"date-time":"2025-11-20T00:00:00Z","timestamp":1763596800000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"name":"Joint Project of Science and Health of Chongqing City, China","award":["2023MSXM022"],"award-info":[{"award-number":["2023MSXM022"]}]},{"name":"Banan District Science and Technology Bureau of Chongqing City, China","award":["KY202208135759002"],"award-info":[{"award-number":["KY202208135759002"]}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Diagnostics"],"abstract":"<jats:p>Background: The diagnosis of abdominal tuberculous lymphadenopathy (ATBL) remains challenging in clinical practice. Patients with ATBL and HIV infection may have atypical clinical and computed tomography (CT) features. The aim of this study was to investigate the impact of HIV infection on the clinical and CT features of ATBL patients. Methods: From January 2012 to March 2023, 178 patients with untreated ATBL were retrospectively analyzed. Patients with ATBL were classified into HIV-negative group (n = 152) and HIV-positive group (n = 26). In addition to the clinical characteristics of the patients, the features of ATBL (e.g., size and location) were evaluated via CT. The Mann\u2013Whitney U test (for continuous variables) and Fisher\u2019s exact test (for categorical variables) were used to compare clinical data and CT imaging features between the two groups. Missing values were handled using multiple imputation, and the Benjamini\u2013Hochberg procedure was applied to control the false discovery rate (FDR) in multiple comparisons. Post hoc power analysis for key variables was performed. Results: Compared with the HIV-negative group, the HIV-positive group had older age, lower CD4+ T-cell counts, and larger ATBL diameter. The HIV-positive group also showed a stronger tendency for disease dissemination, with significantly higher rates of smear positivity, miliary pulmonary tuberculosis (PTB), and disseminated tuberculosis (TB). On CT imaging, the HIV-positive group had a higher frequency of ATBL involvement in the upper para-aortic region, portacaval space, and hepatogastric ligament. In contrast, abdominal distension was more common in the HIV-negative group. post hoc power analysis confirmed that most key variables had adequate statistical power (\u22650.8), except for age (power = 0.597) and ATBL diameter (Power = 0.769). Conclusions: The clinical and CT features of ATBL differ significantly between HIV-negative and HIV-positive patients.<\/jats:p>","DOI":"10.3390\/diagnostics15222931","type":"journal-article","created":{"date-parts":[[2025,11,20]],"date-time":"2025-11-20T10:30:59Z","timestamp":1763634659000},"page":"2931","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["Clinical and CT Features of HIV-Negative and HIV-Positive Patients with Abdominal Tuberculous Lymphadenopathy"],"prefix":"10.3390","volume":"15","author":[{"given":"Xiao-Ling","family":"Zhu","sequence":"first","affiliation":[{"name":"Department of Radiology, Banan Hospital, Chongqing Medical University, Chongqing 401320, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Sheng-Xiu","family":"Lv","sequence":"additional","affiliation":[{"name":"Department of Radiology, Chongqing Public Health Medical Center, Chongqing 400036, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Li","family":"Wen","sequence":"additional","affiliation":[{"name":"Department of Radiology, Xinqiao Hospital, Third Military Medical University, Chongqing 400037, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Ran","family":"Li","sequence":"additional","affiliation":[{"name":"Department of Radiology, Banan Hospital, Chongqing Medical University, Chongqing 401320, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Xue-Yan","family":"Liu","sequence":"additional","affiliation":[{"name":"Department of Radiology, Chongqing Public Health Medical Center, Chongqing 400036, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Guang-Xian","family":"Wang","sequence":"additional","affiliation":[{"name":"Department of Radiology, Banan Hospital, Chongqing Medical University, Chongqing 401320, China"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"1968","published-online":{"date-parts":[[2025,11,20]]},"reference":[{"key":"ref_1","unstructured":"World Health Organization (WHO) (2023, July 15). 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