Search Results for: infundibulocystic basal-cell carcinoma

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Dermoscopic characteristics of nodular squamous cell carcinoma and keratoacanthoma

Dermoscopic characteristics of nodular squamous cell carcinoma and keratoacanthoma

…amelanotic nodules is important in order to improve diagnosis of these clinically challenging tumors. Introduction Squamous cell carcinoma (SCC) is the second most common cutaneous malignancy after basal cell carcinoma (BCC), with an increasing…

Incidental Merkel cell carcinoma in a cutaneous horn: a case report

Incidental Merkel cell carcinoma in a cutaneous horn: a case report

…d female who presented with a “cutaneous horn” on the face. On excision, histologic examination revealed a combined squamous cell carcinoma in situ with underlying MCC. Merkel cell polyomavirus immunohistochemistry was negative in this lesion. This…

Regressing basal-cell carcinioma masquerading as benign lichenoid keratosis

Regressing basal-cell carcinioma masquerading as benign lichenoid keratosis

Abstract Background: Benign lichenoid keratosis (BLK, LPLK) is often misdiagnosed clinically as superficial basalcell carcinoma (BCC), especially when occurring on the trunk. However, BCCs undergoing regression may be associated with a lichenoid…

Development of poorly differentiated invasive squamous cell carcinoma in giant Bowen’s disease: a case report with dermatoscopy

Development of poorly differentiated invasive squamous cell carcinoma in giant Bowen’s disease: a case report with dermatoscopy

…d to poorly differentiated invasive SCC. Introduction Bowen’s disease (BD) is an in situ variant of cutaneous squamous cell carcinoma (SCC). Etiological factors for BD include ultraviolet radiation (solar, iatrogenic and sunbeds) [1,2],…

Differential Diagnosis in Dermatopathology

"Pseudolymphoma," B-cell type vs. Malignant lymphoma, B-cell type

Extramammary Paget’s disease is an apocrine carcinoma that begins within the epidermis and presents itself clinically as a patch or a subtle plaque that extends centrifugally for many years before becoming a readily discernible thick plaque,…

Balloon cell melanoma in primary care practice: a case report

Balloon cell melanoma in primary care practice: a case report

…previously aware of this lesion. There was no personal or family history of melanoma. A single, well-differentiated squamous cell carcinoma had been excised from his nose 3 years earlier. There was no history of excessive occupational or…

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