Syringocystadenomapapilliferum Arising from the External Auditory Canal: A Rare Tumor in a Rare Site

Abstract

Syringocystadenomapapilliferum is an extremely rare benign adnexal tumor of the scalp and face region. This is a report of the case of a female patient with syringocystadenomapapilliferum originating from the bony cartilaginous junction of the external auditory canal. A provisional diagnosis of an inflammatory polyp was made based on the clinical and radiological findings. Diagnosis was established only after the histopathological examination. This article represents a report of a rare skin disease and a rare site of affection. It emphasizes the role of histopathology in the diagnosis of such a condition with debatable clinical and radiological findings.

Ceruminous adenoma of the external auditory canal: 9 cases series with imaging and pathologic findings

“…Ceruminous adenomas develop mainly in the cartilaginous portion of the external auditory canal, rarely in the osseous portion (6,7). In our series, eight cases of ceruminous adenoma originated from cartilaginous portion of the EAC, only one case originated from bony portion of it (Figure 1).…”