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Intrapulmonary schwannoma in the right middle lobe: A case report

Herein, we report a patient with a rare disease, intrapulmonary schwannoma. The patient was a 61‐year‐old woman who had a 20 mm × 18 mm nodule, with a clear boundary and homogeneous content, on the central side of S4 in the right lung on chest CT. On PET with 18‐ fluorodeoxyglucose scanning, 18‐fluorodeoxyglucose accumulations with a maximal standardized uptake value of 2.5 and 3.3 were observed in the early and late phases, respectively, suggesting a malignant tumor. A thoracoscopic right middle lobectomy was performed because the tumor was present in the segmental bronchial region of the middle lobe. Intrapulmonary schwannoma accounts for 0.2% of lung tumor cases, and cases involving patients who have undergone preoperative PET with 18‐ fluorodeoxyglucose scanning have rarely been reported.