Nasrallah Oussama G, Mohty Razan, El-Cheikh Jean, Merashli Mira
Division of Urology, Department of Surgery, American University of Beirut Medical Center, Beirut, Lebanon.
Division of Hematology, Oncology, Department of Internal Medicine, American University of Beirut Medical Center, Beirut, Lebanon.
Case Rep Rheumatol. 2023 Aug 7;2023:6655005. doi: 10.1155/2023/6655005. eCollection 2023.
Illustration of a case of systemic mastocytosis mimicking reactive arthritis in the absence of an infectious etiology.
Review of the patient's medical records.
We report a case of systemic mastocytosis relapse, presenting with pancytopenia accompanied by knee monoarthritis, cystitis, and bilateral conjunctivitis occurring simultaneously at the same time interval within 2-4 days, mimicking reactive arthritis in the absence of an infectious etiology.
Our case demonstrated reactive arthritis features (triad of urethritis, conjunctivitis, and arthritis) without an infectious trigger but rather a relapse of mastocytosis. We should think outside the box when faced with such a clinical scenario in the absence of an infectious etiology. Paraneoplastic reactive arthritis is to be considered after excluding an underlying infection.
举例说明一例在无感染病因情况下酷似反应性关节炎的系统性肥大细胞增多症病例。
回顾患者的病历。
我们报告一例系统性肥大细胞增多症复发病例，表现为全血细胞减少，同时在2 - 4天的相同时间间隔内出现膝关节单关节炎、膀胱炎和双侧结膜炎，在无感染病因的情况下酷似反应性关节炎。
我们的病例显示出反应性关节炎的特征（尿道炎、结膜炎和关节炎三联征），但无感染诱因，而是肥大细胞增多症复发。当面对无感染病因的这种临床情况时，我们应跳出框框思考。排除潜在感染后应考虑副肿瘤性反应性关节炎。
