Mycobacterium Tuberculosis Infection within a Warthin Tumor: A Case Report and Literature Review
A 46-year-old male presented with a mass in the left parotid region of 6-month duration. The patient's history was only remarkable for a facial swelling, night sweats and a 38.5 C° fever. There were no other symptoms such as pain, facial paralysis, cough associated with this swelling. His past medical history was nonrevealing. There was no family history of tuberculosis. On physical examination, a 2 × 3-cm mobile, non-tender, mass with a smooth surface was palpated on left parotid tail. The physical examination was otherwise unremarkable. Routine laboratory tests, and a chest radiograph were normal. Ultrasound examination showed a well-defined, hypoechoic solid mass in the superficial lobe of the left parotid gland accompanied with the lymph node in same region. CT examination showed a well defined 30 mm in diameter tumor mass in the left superficial lobe of the parotid gland []. A superficial parotidectomy operation was performed under general anesthesia. The lymph nodes were also excised. The final pathological diagnosis of the parotidectomy specimen was reported as a Warthin tumor and epitheloid granulomas with caseification necrosis []. An intradermal test with purified protein derivative (PPD) was performed and it was 30 mm in enduration. Antituberculosis treatment with isoniazid, rifampicin, pyrazinamid and ethambutol was started for a 6-month duration. Two weeks after the antituberculosis treatment fever declined to normal values and night sweats decreased.