Principles of Diagnosis and Anatomy
Key Wordsskin disease, nodules, vesicles, hives, scales, ulcers, milia, comedo, comedones, excoriation, cyst Skin Anatomy The skin is divided into three layers: the epidermis, the dermis, and the subcutaneous…
Benign Skin Tumors
Key Wordsskin tumors, seborrheic keratosis, cysts, syringoma, keratoacanthoma, chondrodermatitis nodularis helicis, skin tag, melanoma mimic, sebaceous hyperplasia, nevus sebaceus, keloid, dermatosis papulosa nigra, acrochordon Seborrheic Keratosis Seborrheic keratosis (SK)…
Premalignant and Malignant Nonmelanoma Skin Tumors
Key Wordspremalignant, nonmelanoma, basal cell carcinoma, squamous cell carcinoma, Merkel cell carcinoma, actinic keratosis, actinic cheilitis, leukoplakia, lymphoma, T-cell lymphoma, Sézary syndrome, Bowen disease, Paget disease, in situ, biopsy, Mohs…
Nevi and Malignant Melanoma
Key Wordsnevi, malignant melanoma, atypical nevus, dysplastic nevus, blue nevus, speckled lentiginous nevus, halo nevus, moles, ABCDs of melanoma, lentigo, dermatofibroma Melanocytic Nevi Nevi, or moles, are benign tumors…
Nail Diseases
Key Wordsnail diseases, nail psoriasis, nail lichen planus, fungal nail infection, onychomycosis, leukonychia, nail ridging, nail splitting, nail dystrophy, spoon nails, acute paronychia, nail tinea, subungual hematoma, Beau lines …
Infestations and Bites
Key Wordspediculosis, scabies, Lyme disease, creeping eruption, leishmaniasis, erythema migrans, cat-scratch, bacillary angiomatosis, allergic reaction, myiasis, swimmer’s itch, seabather’s eruption, black fever Scabies Human scabies is a highly contagious…
Light-Related Diseases and Disorders of Pigmentation
Key Wordspigmentation, café-au-lait macules, erythema ab igne, melasma, lentigo, vitiligo, pityriasis alba, hydroa, sun damage, porphyrias, polymorphous light eruption Photobiology Sunlight has profound effects on the skin and is…
Superficial Fungal Infections
Key Wordstinea, ringworm, candidiasis, Candida balanitis, vulvovaginitis, vaginosis, Pityrosporum folliculitis, moniliasis, pitted keratolysis, intertrigo, oral candidiasis Dermatophyte Fungal Infections These dermatophytes include a group of fungi (ringworm) that under…
Hair Diseases
Key Wordshair loss, alopecia, baldness, hirsutism, polycystic ovary syndrome, anagen effluvium, loose anagen hair syndrome, trichotillomania, follicular degeneration syndrome, lupus, lichen planopilaris, pseudopelade, folliculitis decalvans, acne keloid, trichomycosis Physicians…
Vascular Tumors and Malformations
Key Wordsvascular tumors, cherry angioma, scleroderma, angiokeratoma, venous lake, pyogenic granuloma, Kaposi sarcoma, telangiectasia, infantile hemangioma, bacillary angiomatosis, lymphangioma circumscriptum, nevus flammeus, port-wine stain, Kasabach–Merritt syndrome Congenital Vascular Lesions…
