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Intracranial squamous cell carcinoma arising in a cerebellopontine angle epidermoid cyst: A case report and literature review.

Abstract Most of the intracranial epidermoid cysts are benign, but malignant lesions are occasionally reported. These lesions appear as squamous cell carcinoma and carry a dismal prognosis. Here, we report a case of a primary intracranial squamous cell carcinoma arising in a cerebellopontine epidermoid cyst. The relevant literatures were also reviewed.
PMID
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Authors

Mayor MeshTerms
Keywords
Journal Title medicine
Publication Year Start




PMID- 29390569
OWN - NLM
STAT- In-Process
LR  - 20180204
IS  - 1536-5964 (Electronic)
IS  - 0025-7974 (Linking)
VI  - 96
IP  - 51
DP  - 2017 Dec
TI  - Intracranial squamous cell carcinoma arising in a cerebellopontine angle
      epidermoid cyst: A case report and literature review.
PG  - e9423
LID - 10.1097/MD.0000000000009423 [doi]
AB  - RATIONALE: Most of the intracranial epidermoid cysts are benign, but malignant
      lesions are occasionally reported. These lesions appear as squamous cell
      carcinoma and carry a dismal prognosis. Here, we report a case of a primary
      intracranial squamous cell carcinoma arising in a cerebellopontine epidermoid
      cyst. The relevant literatures were also reviewed. PATIENT CONCERNS: A
      53-year-old woman presented with dizziness and diplopia 9 months in duration.
      Magnetic resonance imaging revealed an epidermoid cyst in the left
      cerebellopontine angle and prepontine region with a focal enhancing lesion on
      T1-weighted gadolinium-enhanced images. DIAGNOSES: Histopathologic diagnosis
      revealed squamous cell carcinoma on a background of epidermoid cyst. Imaging
      studies excluded metastases. INTERVENTIONS: The tumor was removed subtotally
      through a lateral suboccipital approach. The patient received intensity modulated
      radiation therapy (6720 cGy total) postoperatively. OUTCOMES: The patient was
      free from recurrence of the tumor until 3 years after surgery, at which point she
      was lost to follow-up. The patient died 4 years after the surgery. LESSONS: The
      epidermoid cyst may occasionally become malignant. Finding an area of enhancement
      through preoperative magnetic resonance imaging can help to make a correct
      diagnosis. Based on the review of previous reports, surgical removal followed by 
      radiotherapy shows the best result to treat malignant epidermoid cysts.
CI  - Copyright (c) 2017 The Authors. Published by Wolters Kluwer Health, Inc. All
      rights reserved.
FAU - Roh, Tae Hoon
AU  - Roh TH
AD  - Yonsei University Graduate School.
AD  - Department of Neurosurgery, Ajou University Hospital, Suwon.
FAU - Park, Yong Sook
AU  - Park YS
AD  - Department of Neurological Surgery, Chung-Ang University Yongsan Hospital.
FAU - Park, Yong Gou
AU  - Park YG
AD  - Department of Neurosurgery.
FAU - Kim, Se Hoon
AU  - Kim SH
AD  - Department of Pathology, Brain Tumor Center, Brain Research Institute, Yonsei
      University Health System, Seoul, Republic of Korea.
FAU - Chang, Jong Hee
AU  - Chang JH
AD  - Department of Neurosurgery.
LA  - eng
PT  - Journal Article
PL  - United States
TA  - Medicine (Baltimore)
JT  - Medicine
JID - 2985248R
PMC - PMC5758271
EDAT- 2018/02/03 06:00
MHDA- 2018/02/03 06:00
CRDT- 2018/02/03 06:00
PHST- 2018/02/03 06:00 [entrez]
PHST- 2018/02/03 06:00 [pubmed]
PHST- 2018/02/03 06:00 [medline]
AID - 10.1097/MD.0000000000009423 [doi]
AID - 00005792-201712220-00156 [pii]
PST - ppublish
SO  - Medicine (Baltimore). 2017 Dec;96(51):e9423. doi: 10.1097/MD.0000000000009423.