Diagnosis: Invasive cutaneous squamous cell carcinoma
A 65-year-old male presents with a hyperkeratotic tender nodule on the dorsal aspect of his right hand, persisting for three months. The lesion has grown in size and is associated with intermittent bleeding. Clinical evaluation reveals features suggestive of an aggressive skin malignancy, warranting further investigation and management.
A 65-year-old male presents with a hyperkeratotic tender nodule on the dorsal aspect of his right hand, which has persisted for three months. The patient reports that the lesion has gradually increased in size and has started to bleed intermittently. On physical examination, the nodule is well-defined, firm, and adherent to the underlying tissue.Size: Approximately 1.5 cm in diameter.Surface: Hyperkeratotic with areas of ulceration.Color: Flesh-colored with erythematous borders.Tenderness: Notable tenderness upon palpation.Location: Dorsal hand, a common site for sun exposure.
The lesion developed gradually over three months, with no known precipitating factors. The patient has a significant history of chronic sun exposure due to outdoor work. He denies any previous skin cancers but has a family history of melanoma. Social history includes daily sun exposure without protective measures.Onset: Gradual increase in size over three months.Triggers: Chronic sun exposure as a construction worker.Prior treatments: No previous treatments attempted for the lesion.Past medical history: Hypertension and hyperlipidemia.Family history: Positive for melanoma in a sibling.
Acute / First-Line ManagementComplete surgical excision is the primary treatment modality, aiming for clear margins of at least 5 mm.Mohs micrographic surgery may be considered for high-risk lesions or those located in cosmetically sensitive areas.Workup and Diagnostic ConfirmationHistopathological examination via punch or excisional biopsy is essential for definitive diagnosis.Sentinel lymph node biopsy may be indicated in cases with high-risk features to assess for metastasis.Long-Term ManagementRegular follow-up every 3-6 months for the first 2 years, then annually, to monitor for recurrence or new lesions.Education on sun protection measures, including daily use of broad-spectrum sunscreen (SPF 30 or higher) and protective clothing.Consideration of adjunctive therapies such as topical chemotherapy (e.g., 5-fluorouracil or imiquimod) in select cases for superficial lesions.
Keratoacanthoma: Rapidly growing, dome-shaped nodules often mimicking SCC; usually self-limiting but can require excision.Basal cell carcinoma: Typically presents as pearly papules or nodules; rarely tender and usually does not ulcerate early.Actinic keratosis: Often presents as scaly patches rather than nodules; considered a precursor to SCC.Cutaneous lymphoma: May present as indurated nodules; requires histological confirmation and may exhibit atypical features.Granuloma annulare: Characterized by annular plaques; less likely to be hyperkeratotic and typically asymptomatic.Invasive melanoma: Can present as a pigmented or non-pigmented lesion; typically associated with changes in size, shape, or color.Leukoplakia: White patches that can occur in sun-exposed areas; often associated with dysplasia but not usually nodular.
High-Yield PearlsSun exposure: Chronic ultraviolet exposure is a significant risk factor for the development of cutaneous malignancies.Histopathology: Definitive diagnosis relies on histological evaluation; the distinction between invasive and non-invasive forms is critical.Surgical margins: Achieving clear surgical margins is essential to minimize the risk of recurrence.Follow-up: Close surveillance is important for early detection of recurrences, especially in high-risk patients.Patient education: Emphasizing sun protection can significantly reduce the risk of new skin cancers.Early recognition and treatment of cutaneous malignancies can significantly impact patient outcomes.
Tags: SCC, invasive