Cryosurgery
Cryosurgery David J. Leffell Equipment needed Liquid nitrogen Liquid nitrogen reservoir (20- to 30-L flask) Paper or polystyrene cup Pressurized spray canister Spray tips and probes of various sizes for…
Shave Biopsy and Shave Excision
Shave Biopsy and Shave Excision David J. Leffell Equipment needed Antiseptic solution 1% lidocaine with/without epinephrine 1:100,000 solution 20% aluminum chloride hexahydrate solution Sterilized carbon steel razor blade (cut in…
Punch Biopsy
Punch Biopsy David J. Leffell Equipment needed Antiseptic solution 1% lidocaine with/without 1:100,000 epinephrine solution 20% aluminum chloride hexahydrate solution Biopsy punch (1 to 10 mm diameter) Iris scissors Nonabsorbable…
Telogen Effluvium
Telogen Effluvium Charles A. Gropper (ICD-9 704.02) Symptoms and Signs Telogen effluvium is asymptomatic. Hair loss in telogen effluvium is evenly distributed throughout the scalp. Approximately 30% to 50% of…
Androgenetic Alopecia
Androgenetic Alopecia Charles A. Gropper (ICD-9 704.00) Symptoms and Signs Androgenetic alopecia is asymptomatic but often causes great psychological distress. Hair loss is gradual, and there are no surface changes…
Alopecia Areata
Alopecia Areata Charles A. Gropper (ICD-9 704.01) Symptoms and Signs In alopecia areata (AA), round patches of hair loss develop rapidly and asymptomatically. The patches are well-circumscribed, round, and without…
Acute and Chronic Paronychia
Acute and Chronic Paronychia Charles A. Gropper (ICD-9 112.3) and (ICD-9 681.02) Symptoms and Signs Acute paronychia is a very painful and tender infection of the proximal and lateral nail…
Pseudomonas Nails
Pseudomonas Nails Charles A. Gropper (ICD-9 041.7) Symptoms and Signs Patients with Pseudomonas aeruginosa infection of the nail plate complain of blue–green changes or of a sickly sweet, “fruity” smell…
Onychomycosis
Onychomycosis Charles A. Gropper (ICD-9 110.9) Symptoms and Signs Onychomycosis is usually asymptomatic. Sometimes, however, it is painful, especially when there is a secondary bacterial infection or when the dystrophic…
Leg Ulcers
Leg Ulcers John T. Crissey (ICD-9 707.1) Symptoms and Signs Venous Ulcers (Stasis Ulcers) Venous ulcers are more common in women; patients are usually middle-aged or older, often with a…
