Phenytoin induced erythema multiforme after cranial radiation therapy

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Kazanci A., Tekkök İ. H.

Journal of Korean Neurosurgical Society, vol.58, no.2, pp.163-166, 2015 (SCI-Expanded) identifier

  • Publication Type: Article / Article
  • Volume: 58 Issue: 2
  • Publication Date: 2015
  • Doi Number: 10.3340/jkns.2015.58.2.163
  • Journal Name: Journal of Korean Neurosurgical Society
  • Journal Indexes: Science Citation Index Expanded (SCI-EXPANDED), Scopus
  • Page Numbers: pp.163-166
  • Keywords: Cranial radiotherapy, Erythema multiforme, Phenytoin
  • Ankara Yıldırım Beyazıt University Affiliated: No


© 2015 The Korean Neurosurgical Society.The prophylactic use of phenytoin during and after brain surgery and cranial irradiation is a common measure in brain tumor therapy. Phenytoin has been associated with variety of adverse skin reactions including urticaria, erythroderma, erythema multiforme (EM), Stevens-Johnson syndrome, and toxic epidermal necrolysis. EM associated with phenytoin and cranial radiation therapy (EMPACT) is a rare specific entity among patients with brain tumors receiving radiation therapy while on prophylactic anti-convulsive therapy. Herein we report a 41-year-old female patient with left temporal glial tumor who underwent surgery and then received whole brain radiation therapy and chemotherapy. After 24 days of continous prophylactic phenytoin therapy the patient developed minor skin reactions and 2 days later the patient returned with generalized erythamatous and itchy maculopapuler rash involving neck, chest, face, trunk, extremities. There was significant periorbital and perioral edema. Painful mucosal lesions consisting of oral and platal erosions also occurred and prevented oral intake significantly. Phenytoin was discontinued gradually. Systemic admistration of corticosteroids combined with topical usage of steroids for oral lesions resulted in complete resolution of eruptions in 3 weeks. All cutaneous lesions in patients with phenytoin usage with the radiotherapy must be evoluated with suspicion for EM.