“…So far, the proportion of infected lymph nodes with spontaneous recovery is unknown and, despite many reports available in literature have published about this item, the epidemiology and treatment of NTM lymphadenitis are still not well documented. Although surgical excision has been widely suggested as the treatment of choice for NTM cervical lymphadenitis [20,21,[24][25][26], with a reported complete resolution of the disease ranging from 80% to 96% of the cases, recent trials support the combined approach of surgery followed by antibiotic therapy [26][27][28]. In contrast, there are an increasing numbers of investigators reporting successful conservative treatment with antibiotics, in particular prolonged course of macrolides and rifampicin and/or ethambutol [16,[29][30][31][32].…”