Nontraumatic Parapharyngeal Haematoma: A Rare Lesion.

Nontraumatic haematoma of parapharyngeal space is very rare and may cause dysphagia and dyspnea. The authors present a case report of a 74-year-old woman with sudden nontraumatic neck swelling without dyspnea and with left pharyngeal bulging and endolaryngeal displacement. Parathyroid hormone elevation and imaging exams confirmed bleeding from a parathyroid adenoma.

Vestibular Disorders after Stapedial Surgery in Patients with Otosclerosis.

Introduction and Objectives. Vertigo is a described complication of stapedial surgery. Many studies have been conducted to assess the improvement of hearing loss, but there are few studies that assess vestibular function after stapedial surgery.

[Intestinal parasites in two periurban populations in La Plata, Argentina].

The prevalence of intestinal parasites was studied in two urban neighborhoods with different socioeconomic conditions in La Plata, Argentina. Age, sex, and environmental factors were considered. One hundred and one hundred one children up to 14 years old were examined by coproparasitologic analysis.