Cervicofacial nontuberculous mycobacterial lymphadenitis in children.

INTRODUCTION: Nontuberculous mycobacteria are ubiquitous organisms readily isolated from natural waters, drinking water systems and soil. They form a continuous challenge to the human immune system which becomes apparent in patients with impaired immunity. However, most infections occur in seemingly healthy children. The clinical presentation consists of a unilateral, non-tender, persistent, cervical lymphadenopathy without systemic illness. Fistula formation may occur.

MATERIAL AND METHODS: Patients were included if one or more of the following were positive; 1) mycobacterial culture, 2) acid-fast microscopy, 3) polymerase chain reaction and/or 4) granulomatous inflammation.

RESULTS: On the basis of operative management, two distinct groups were established. Group 1 had an excision of all pathological tissue performed and Group 2 was treated with incision and drainage. There was a difference between the two groups in regard to the risk of developing a postoperative fistula. In Group 1, 50% developed a fistula compared with 91% in Group 2 (p = 0.06).

CONCLUSION: Surgical treatment is generally advocated as the treatment of choice. Antibiotic treatment is associated with adverse effects and avoidance of surgery does not justify the inferior results related to antibiotics. A watch-and-wait strategy or antibiotic therapy may be considered when surgical excision carries a high risk of facial nerve injury. Although the lymph nodes may persist for months, spontaneous regression may occur and the children remain systemically well.

FUNDING: not relevant.

TRIAL REGISTRATION: not relevant.