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Basal Cell Carcinoma on the Finger: A Rare Case Report

Author: Higher Education Press
Published: 26 Jun 2026
Publication Details: Peer-Reviewed, Experimental Study

Contents: Synopsis - Definition - Introduction - Main - Insights, Updates - Related Publications

Synopsis: This article covers a published case report in the journal Skin describing a rare presentation of nodular basal cell carcinoma on the finger of a 63-year-old man, a location where this type of skin cancer seldom occurs. Because digital basal cell carcinoma closely resembles other skin conditions - including melanocytic tumors and squamous cell carcinoma - it is frequently misdiagnosed, making this report a useful clinical reference for anyone seeking to understand atypical skin cancer presentations, early warning signs, and the critical role of biopsy in reaching an accurate diagnosis.*

At a Glance

Topic Definition: Basal Cell Carcinoma

Basal cell carcinoma is a type of non-melanoma skin cancer that originates in the basal cells, which are found in the deepest layer of the epidermis. It is the most commonly diagnosed form of skin cancer worldwide and typically arises on areas of the skin that receive frequent sun exposure, such as the face, scalp, neck, and hands. BCC usually grows slowly and rarely spreads to other parts of the body, but it can cause significant local tissue destruction if left untreated. The condition most often presents as a pearly or waxy bump, a flat scar-like lesion, or a bleeding sore that repeatedly heals and reopens. Treatment typically involves surgical removal, and the prognosis is excellent when the cancer is caught and excised at an early stage.

Introduction

Basal cell carcinoma is the most prevalent form of skin cancer, typically developing on sun-exposed areas like the face and neck. However, BCC affecting the fingers-known as digital BCC-is relatively uncommon, primarily due to the scarcity of sebaceous glands in these regions, which are linked to BCC pathogenesis.

Main Content

A new case report published in Skin, details a 63-year-old man who sought care for a painful, progressively enlarging lesion on his right middle finger that had been present for three years. Clinical examination showed a 12-mm red plaque topped with two 4-mm bluish-black, firm nodules and surface crusting.

Two bluish-black nodules overlying erythema on the right middle finger.
Two bluish-black nodules overlying erythema on the right middle finger. The image shows the back of a right middle finger with a raised skin lesion centered over the middle joint. Two small bluish-black nodules are visible within the lesion, one near the upper portion and one near the lower portion, against a pink to red area of inflamed skin. The surface appears shiny with patches of white scaling and crusting, and the surrounding skin is mildly swollen. Nearby fingers show small areas of dry, flaky skin, but the prominent abnormality is the irregular, discolored lesion on the middle finger with its distinct dark blue-black nodules overlying the erythematous background. Image Credit: Higher Education Press.

The lesion was surgically excised, and histopathological analysis confirmed a diagnosis of nodular basal cell carcinoma. Microscopic findings revealed tumor nodules composed of basaloid cells with characteristic peripheral palisading and melanin granules within the tumor nests.

The authors note that digital BCC is often misdiagnosed because its appearance mimics other conditions, including melanocytic tumors, squamous cell carcinoma, Bowen disease, and Merkel cell carcinoma. While noninvasive imaging tools such as dermoscopy and reflective confocal microscopy can assist in differential diagnosis, biopsy remains the definitive gold standard.

The image is a hematoxylin and eosin (H&E) stained microscopic view of skin tissue shown in shades of pink, purple, and dark blue.
The image is a hematoxylin and eosin (H&E) stained microscopic view of skin tissue shown in shades of pink, purple, and dark blue. A thin, smooth band of pink tissue forms the surface layer across the top, while beneath it are numerous irregular nests and rounded islands of densely packed dark blue basaloid cells extending into the lighter pink connective tissue. In pathology, a peripheral palisading pattern describes the neat alignment of cells at the outer edge of a tumor, where the cells align in parallel rows, perpendicular to the adjacent tissue. It is most famously used as a key histologic indicator to identify Basal Cell Carcinoma (BCC) of the skin. The outer edges of many of these cell clusters display a distinct peripheral palisading pattern, with the cells aligned in orderly rows around the margins, creating a darker outline. The surrounding stroma appears pale pink and fibrous, separating the tumor nests with swirling bands of connective tissue. Several small, round white spaces are scattered within the tissue, and a scale bar labeled 200 micrometers in the lower left corner provides a reference for the microscopic magnification. Image Credit: Higher Education Press.

This case highlights the importance of maintaining clinical suspicion for BCC even in atypical locations. Early recognition and complete surgical excision are essential to prevent local progression and potential complications.

The work titled "Digital Basal Cell Carcinoma" was published in Skin (June 8, 2026).

Insights, Analysis, and Developments

Editorial Note: Digital basal cell carcinoma may be uncommon, but this case is a reminder that skin cancer does not always follow predictable patterns. BCC presenting on the fingers can look deceptively similar to a range of other conditions, and that diagnostic uncertainty carries real consequences - delayed treatment in any form of skin cancer raises the risk of local tissue damage and more complex surgical outcomes. For clinicians and patients alike, the takeaway is straightforward: any persistent, unexplained lesion on the hands warrants proper investigation rather than a watchful waiting approach.*

Attribution/Source(s): This peer reviewed publication was selected for publishing by the editors of Disabled World (DW) due to its relevance to the disability community. Originally authored by Higher Education Press and published on 26 Jun 2026, this content may have been edited for style, clarity, or brevity.

* Editorial additions by Ian C. Langtree.

Basal Cell Carcinoma on the Finger: A Rare Case Report

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<a href="https://www.disabled-world.com/health/cancer/melanoma/finger-carcinoma.php">Basal Cell Carcinoma on the Finger: A Rare Case Report</a>: A rare case report of nodular basal cell carcinoma on the finger, its misdiagnosis risks, and why surgical excision remains the key treatment.

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