Role of steroids in conservative treatment of parapharyngeal and retropharyngeal abscess in children.

Purpose: To characterize the clinical features and outcomes of pediatric patients with retropharyngeal (RPA) or parapharyngeal abscesses (PPA) managed only with medical treatment and showing the importance of early symptoms and imaging studies in the diagnosis of deep neck space infections (DNIs) in children.

Methods: A retrospective analysis of all patients diagnosed with RPA and PPA between 2007 and 2017 was performed in Hospital Universitario Central de Asturias.

Results: 30 children were identified, with 11 RPA and 19 PPA.

Intragenic NF1 deletions in sinonasal mucosal malignant melanoma.

Mucosal malignant melanoma (MMM) is a rare and aggressive tumor. Despite effective local therapies, tumor recurrence and metastasis remain frequent. The genetics of MMM remain incompletely understood.