A condition that is characterized by multiple sites of lymphoid infiltration, often with an aggressive, necrotizing lesion of the upper airway. The term was used as a synonym for lethal midline granuloma.

A condition that is characterized by inflammation, ulceration, and perforation of the nose and the PALATE with progressive destruction of midline facial structures. This syndrome can be manifested in several diseases including the nasal type of EXTRANODAL NK-T-CELL LYMPHOMA and GRANULOMATOSIS WITH POLYANGIITIS.

Synonyms: Granuloma Gangraenescens, Reticulosis, Polymorphic, Granuloma, Lethal Midline, Polymorphic Reticuloses, Reticuloses, Polymorphic, Polymorphic Reticulosis, Lethal Midline Granulomas, Midline Granulomas, Lethal, Granulomas, Lethal Midline, Lethal Midline Granuloma, Midline Granuloma, Lethal