Dermatofibroma
Dermatofibroma James C. Shaw (ICD-9 216.9) Symptoms and Signs Patients with dermatofibroma (DF) present with an asymptomatic smooth, firm, round, brownish papule or nodule, usually measuring less than 1 cm…
Dysplastic Nevus
Dysplastic Nevus James C. Shaw (ICD-9 238.9) Symptoms and Signs Dysplastic nevi (DN), also called Clark’s nevi, or atypical nevi, are asymptomatic. Patients may have only a single lesion or…
Malignant Melanoma
Malignant Melanoma James C. Shaw (ICD-9 172.3 Face; 172.4 Scalp, Neck; 172.5 Trunk; 172.6 Upper Extremity; 172.7 Lower Extremity) Symptoms and Signs Malignant melanoma (MM) is usually asymptomatic. Sometimes it…
Halo Nevus
Halo Nevus John T. Crissey (ICD-9 M8723/0) Signs and Symptoms Itching and varying degrees of erythema may precede or accompany the development of the characteristic depigmented ring of the halo…
Melanocytic Nevus
Melanocytic Nevus David H. Frankel (ICD-9 216.3 FACE; 216.4 SCALP, NECK; 216.5 TRUNK; 216.6 UPPER EXTREMITY; 216.7 LOWER EXTREMITY) Symptoms and Signs Junctional, compound, and intradermal nevi are benign lesions…
Basal Cell Carcinoma
Basal Cell Carcinoma James C. Shaw (ICD-9 173.3 HEAD, EAR; 173.4 SCALP, NECK; 173.5 TRUNK; 173.6 UPPER EXTREMITY; 173.7 LOWER EXTREMITY) Symptoms and Signs The presentation of basal cell carcinoma…
Keratoacanthoma
Keratoacanthoma James C. Shaw (ICD-9 238.2) Symptoms and Signs Keratoacanthomas (KA) are usually asymptomatic and develop rapidly over 2 to 6 weeks. The rapid enlargement of a dome-shaped nodule of…
Actinic Keratosis
Actinic Keratosis David H. Frankel (ICD-9 702.2) Symptoms and Signs Actinic keratoses (AK), in general, are asymptomatic. Sometimes patients complain of itching or burning but when present, these symptoms should…
Squamous Cell Carcinoma
Squamous Cell Carcinoma David H. Frankel (ICD-9 173.3 FACE; 173.4 SCALP, NECK; 173.5 TRUNK; 173.6 UPPER EXTREMITY; 173.7 LOWER EXTREMITY) Symptoms and Signs Squamous cell carcinoma (SCC) of the skin…
Seborrheic Keratosis
Seborrheic Keratosis James C. Shaw (ICD-9 702.19) Symptoms and Signs Seborrheic keratoses are common benign skin growths. Mostly asymptomatic and only occasionally pruritic, they can manifest as solitary or multiple…
