Rationale:Cavernous hemangioma is a congenital venous malformation with the potential to develop in all tissues of the body. However, cavernous hemangioma of the thymus is extremely rare.Patient concerns:The present study describes the case of an asymptomatic, 30-year-old female who presented with a cavernous hemangioma in the thymus during a physical examination. Enhanced computed tomography of the chest revealed a 2.3 × 1.7 × 1.3 cm mass in the thymus.Diagnoses:Histopathological examination revealed that the tumor exhibited the typical histological findings of a cavernous hemangioma.Interventions:The patient underwent surgical resection due to the uncertain diagnosis and the possibility that the mass was a thymoma or teratoma.Outcomes:One-year post surgery, the patient was alive with no evidence of tumor recurrence.Lessons:Cavernous hemangioma of the thymus is a very rare disease. Complete surgical resection may be a critical therapeutic option.
Introduction: Thymic cavernous hemangioma, a rare mediastinal tumor, is difficult to diagnose by imaging examinations. Case presentation: We treated a 63-year-old woman with thymic cavernous hemangioma. She was found to have an anterior mediastinal mass during a routine examination, and enhanced chest CT showed that it was approximately 3.5×2.4×2.1 cm in size. Enhanced abdominal CT indicated a 2.5cm space-occupying lesion in the right kidney. We considered it to be thymoma and renal carcinoma, so we resected it by using thoracoscope and laparoscope. The postoperative pathological reports showed that the mass was thymic cavernous hemangioma and renal clear cell carcinoma. Twenty months postsurgery, the patient was alive with no evidence of tumor recurrence.Conclusions: We report a rare case of thymic cavernous hemangioma misdiagnosed as thymoma. It is difficult to obtain pathological results by needle biopsy before surgery because the location of the anterior mediastinal mass is very challenging to reach. Therefore, a thorough CT evaluation before the operation can prevent inappropriate operations from being performed.
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