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Case Reports
. 2016 May;10(5):ED16-7.
doi: 10.7860/JCDR/2016/15691.7836. Epub 2016 May 1.

Basaloid Squamous Cell Carcinoma of Scalp From A Pre-Existing Cylindroma Metastasising To Brain: A Rare Case Report

Impana Bellavara Diwakar  1 , Teerthanath Srinivas  2 , Jayaram Shetty Kolakebail  3 , Jayaprakash Shetty  4 , Prachi Kukreja  1
Affiliations
Case Reports

Basaloid Squamous Cell Carcinoma of Scalp From A Pre-Existing Cylindroma Metastasising To Brain: A Rare Case Report

Impana Bellavara Diwakar et al. J Clin Diagn Res. 2016 May.

Abstract

Squamous cell carcinoma (SCC) is the second most common non-melanoma skin cancer and accounts for 90% of head and neck malignancies. Intracranial metastases of SCC are extremely rare. We are reporting a case of 55-year-old female with history of recurrent swelling over right side of forehead which was previously reported as cylindroma. CT scan of head revealed irregular lytic areas in right frontal bone suggestive of erosion. There were multiple small, rim enhancing lesions in bilateral parietal regions. Clinically it was diagnosed as malignant adnexal tumour. Wide excision of the lesion revealed features of invasive basaloid squamous cell carcinoma, probably a malignant transformation of the pre-existing cylindroma.

Keywords: Adnexal tumour; Brain metastasis; Non-melanoma skin malignancy.

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Figures

[Table/Fig-1]:
[Table/Fig-1]:
Malignant ulcers over forehead.
[Table/Fig-2]:
[Table/Fig-2]:
X-ray showing lytic lesions in frontal bone.
[Table/Fig-3]:
[Table/Fig-3]:
CT scan showing erosion of the frontal bone with underlying heterogeneously enhancing mass with central hypodense area in right frontal bone.
[Table/Fig-4]:
[Table/Fig-4]:
Tumour cells showing peripheral palisading arrangement (H&E X 400) Inset showing infiltrating basaloid squamous cell carcinoma (H&E X 100).
See this image and copyright information in PMC

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