squamous cell carcinoma of the nail bed

Epidemiology

• rare

Clinical manifestations

• irregular, pigmented, ulcerated lesion on nail bed distal to yellowish broken nail (case presentation)
• lack of responsiveness to antibiotics

Laboratory

• incisional biopsy

Radiology

• chest x-ray
• technetium-99m bone scan to r/o metastases

Differential diagnosis

• psoriasis
• verruca vulgaris
• paronychia
• onychomycosis

Management

• surgical excision

More general terms

• nail bed cancer
• squamous cell carcinoma of the skin (SCCS)