This article presents a case of Langerhans cell histiocytosis with a neck mass as the first symptom, summarizing the symptoms, signs, and imaging manifestations of the disease, in order to provide implications for the future clinical diagnosis and treatment of this disease..

This is the case of a 54-year-old male who presented with left facial pain in the context of bilateral parotid enlargement. Workup supported the diagnosis of sialosis. He was treated with intraductal steroid insufflation followed by definitive treatment with left parotidectomy.

A rare case of progressive dysmenorrhea caused by a non-communicating functional rudimentary horn of the unicornuate uterus highlights the critical need for early imaging and timely surgical intervention to prevent severe complications such as hematometra, endometriosis, and infertility.