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Auricular Pseudocyst: Sonographic Appearance in 17 Patients
Carolina Whittle, Alex Castro1, Maria Jose Pereira2
1Pathology Department, Facultad de Medicina, Clínica Alemana, Universidad del Desarrollo, Santiago.
Ultrasound Quarterly
|September 25, 2020
Summary
Auricular pseudocyst (AP) is a rare ear condition. High-resolution ultrasound reveals characteristic findings for early diagnosis and treatment monitoring of this intracartilaginous swelling.
Area of Science:
- Otolaryngology
- Radiology
- Dermatology
Background:
- Auricular pseudocyst (AP) is a rare, benign intracartilaginous collection causing noninflammatory cystic swelling of the ear.
- Accurate diagnosis and understanding of AP's presentation are crucial for effective management.
Purpose of the Study:
- To describe the clinical and ultrasound characteristics of histologically confirmed auricular pseudocysts.
- To highlight the utility of high-resolution ultrasound in diagnosing AP.
Main Methods:
- Retrospective study of patients with auricular pseudocysts over six years.
- Analysis of clinical presentation, demographics, lesion location, and ultrasound findings.
- Histological confirmation of all cases.
Main Results:
- The study included 100% male patients with a mean age of 35 years.
- AP predominantly affected the scaphoid fossa (76%) and was unilateral (94%) and solitary (88%).
- High-resolution ultrasound showed intracartilaginous cystic lesions with thickened cartilage; 59% were anechoic, while others had internal echoes or septa.
Conclusions:
- High-resolution ultrasound is effective in assessing the anatomical extent of auricular pseudocysts.
- Characteristic ultrasound findings facilitate early and accurate diagnosis of AP.
- Understanding AP's sonographic features is vital for correct diagnosis and treatment monitoring.
