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Recurrent malignant proliferating trichilemmal tumour of the scalp: a case report

Published online by Cambridge University Press:  01 June 2015

Lohith G. Reddy ,
Vijetha Jayakumar ,
Sudhan Rajan ,
Ramesh S. Bilimagga ,
V. Priyadarshini  and
Surega Anbumani
Lohith G. Reddy
Affiliation:
Department of Radiation Oncology, HCG Bangalore Institute of Oncology, Bangalore, Karnataka, India
Vijetha Jayakumar
Affiliation:
Department of Radiation Oncology, HCG Bangalore Institute of Oncology, Bangalore, Karnataka, India
Sudhan Rajan
Affiliation:
Department of Radiation Oncology, HCG Bangalore Institute of Oncology, Bangalore, Karnataka, India
Ramesh S. Bilimagga
Affiliation:
Department of Radiation Oncology, HCG Bangalore Institute of Oncology, Bangalore, Karnataka, India
V. Priyadarshini
Affiliation:
Department of Radiation Oncology, HCG Bangalore Institute of Oncology, Bangalore, Karnataka, India
Surega Anbumani*
Affiliation:
Department of Radiation Oncology, HCG Bangalore Institute of Oncology, Bangalore, Karnataka, India
*
Correspondence to: Surega Anbumani, Department of Radiation Oncology, HCG Bangalore Institute of Oncology, 44‒45/2, II Cross, RRMR Extension (Off Lalbagh Double Road), Bangalore 560027, Karnataka, India. Tel: +91 812 347 8031; E-mail: suregaanbumani@gmail.com
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Abstract

Introduction

Proliferating trichilemmal tumour (PTT) is a benign tumour originating from the outer root sheath of a hair follicle. In rare instances, malignant transformation has been reported, evidenced by regional or distant metastases. Malignant transformation of PTT is often confused with squamous cell carcinoma. PTT usually occur as a solitary lesion on the scalp. It was first described as a proliferating epidermoid cyst by Wilson-Jones in 1966.

Case description

A female patient presented with a growing lesion on scalp in the right parietal region. She had already undergone excision for the same 8 months ago. The cyst was surgically removed and scalp was treated with electron therapy using a field dimension of 8×8 cm in 2011. Now, the patient is disease free with good quality of life.

Conclusion

Oncologists can consider electron therapy in management of PTT. This can improve cosmesis and quality of life of these patients.

Keywords

recurrent malignancytrichilemmal tumourelectron therapyscalp tumour
Type
Case Study
Information
Journal of Radiotherapy in Practice , Volume 14 , Issue 3 , September 2015 , pp. 307 - 310
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Copyright
© Cambridge University Press 2015 

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