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Unilateral Retroauricular Milia en Plaque
Anupa Khadka1, Laxman Chapagain2
1Patan Academy of Health Sciences Lalitpur Nepal.
Clinical Case Reports
|August 9, 2026
Summary
Milia en plaque, a rare skin condition, typically presents as keratin-filled cysts. This case highlights its appearance in an unusual location, emphasizing dermoscopy
Area of Science:
- Dermatology
- Dermatopathology
Background:
- Milia en plaque is a rare benign condition characterized by clusters of keratin-filled cysts within a plaque.
- It typically presents on the face, particularly the eyelids or cheeks.
Purpose of the Study:
- To report a case of milia en plaque presenting unilaterally in the retro-auricular area.
- To emphasize the diagnostic utility of dermoscopy in such cases.
Main Methods:
- Clinical presentation and dermoscopic evaluation of a 57-year-old woman with unilateral retro-auricular lesions.
- Diagnosis was confirmed clinically and via dermoscopy, avoiding biopsy.
Main Results:
- The patient presented with classic, whitish papules embedded in a plaque over the retro-auricular area.
- Dermoscopy findings were supportive of the clinical diagnosis of milia en plaque.
Conclusions:
- Milia en plaque can occur in unusual locations, such as the retro-auricular area.
- Dermoscopy is a valuable, non-invasive tool for diagnosing milia en plaque, potentially obviating the need for biopsy.
