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Alopecia Induced by Fluoroscopy-guided Embolization: A Case Report
Kimberly Anne G Ednalino1, Claudine Yap-Silva1
1Department of Dermatology, Philippine General Hospital, University of the Philippines Manila.
Acta Medica Philippina
|October 21, 2024
Summary
Radiation-induced alopecia can occur after fluoroscopy-guided procedures. Early monitoring and topical minoxidil can promote hair regrowth, highlighting the need for patient follow-up and radiation dose reduction strategies.
Area of Science:
- Dermatology
- Radiology
- Medical Imaging
Background:
- Radiation exposure can cause alopecia, varying from temporary to permanent based on dose.
- Fluoroscopy-guided procedures are increasingly associated with radiation-induced alopecia.
- Early detection and management are crucial for patient outcomes.
Observation:
- A 22-year-old female developed significant hair shedding 12 days post-fluoroscopically-guided embolization.
- A hairless patch with positive hair pull test and specific trichoscopic findings (yellow/black dots, vellus/flame hairs) was observed.
- Histopathology revealed increased catagen and telogen hairs.
Findings:
- The patient received a peak skin dose of 4.67 Gray.
- Diagnosis of radiation-induced alopecia was confirmed.
- Topical minoxidil treatment led to complete hair regrowth within six months.
Implications:
- Patients require diligent follow-up for skin and hair reactions after fluoroscopy-guided procedures.
- Physicians should consider delayed radiation reactions in patients with radiation exposure history.
- Implementing safety protocols to minimize radiation dose is essential.
