Clinical mimickers of epidermoid cyst in scalp: a retrospective histopathological study

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DOI:

https://doi.org/10.3126/jpn.v11i2.30678

Keywords:

Epidermoid cyst; Pilomatrixoma; Trichilemmal cyst; Scalp

Abstract

Background: Cystic lesions of the scalp with a clinical diagnosis of an epidermoid cyst are encountered in clinical practice. However, these lesions had a different diagnostic interpretation on histopathology examination. Therefore our study focused on the lesions clinically resembling the presentation of epidermoid cyst in the scalp region.

Materials and Methods: Forty-one cases of scalp lesions with a clinical diagnosis of epidermoid cyst over 2 years were reviewed. Details of the patients such as clinical diagnosis, age, gender, duration, gross findings, and histopathology diagnosis were obtained from the medical and histopathology records.

Results: Epidermoid cysts diagnosed both clinically and on histopathology examination accounted for 29.26% whereas the clinical mimickers constituted 70.73%. The mean age of the patient was 35-years with an equal sex ratio. The commonest location was the parietal region (41.37%). Benign and malignant lesions consisted of 97.56% and 2.4% respectively. A trichilemmal cyst was the most common clinical mimicker diagnosed.

Conclusions: Clinicians should be aware of wide differential diagnosis of epidermoid cyst in the scalp region as the management and outcome vary with each lesion. Histopathology examination proved to be a diagnostic tool in differentiating these lesions.

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Author Biographies

Kasturi Kshitija, Bhaskar medical college and general hospital, Kaloji Narayan Rao University, India

Associate Professor, Department of Pathology

Ruchi Nagpal, Bhaskar Medical College & General Hospital, Hyderabad, India

Assistant Professor, Department of Pathology

Seethamsetty Saritha, Bhaskar Medical College & General Hospital, Hyderabad, India

Professor, Department of Anatomy

V.Vijay Sreedhar, Bhaskar Medical College & General Hospital, Hyderabad, India

Professor, Department of Pathology

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Published

2021-09-30

How to Cite

Kshitija, K., Nagpal, R. ., Saritha, S. ., & Sreedhar, V. . (2021). Clinical mimickers of epidermoid cyst in scalp: a retrospective histopathological study. Journal of Pathology of Nepal, 11(2), 1817–1823. https://doi.org/10.3126/jpn.v11i2.30678

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Original Articles