Chickenpox Varicella
Etiology Varicella zoster virus VZV causes chickenpox after primary infection, VZV remains dormant in sensory nerve roots for life, reactivation results in herpes zoster shingles . History Often pruritic. Usually mild, self-limited illness in children more severe in adults rarely complicated by staph strep bacterial superinfection, pneumonia, cerebellar ataxia, encephalitis. Physical Characteristic exanthem Crops of erythematous macules progress to edematous papules and finally vesicles over 24...
Herpes Zoster Shingles
Etiology Varicella zoster virus VZV causes chickenpox after primary infection, VZV remains dormant in sensory nerve roots for life, and reactivation results in herpes zoster shingles . Reactivation may be idiopathic, but may occur with immunosuppression or stress. Increased incidence with increasing age more common in HIV amp hematologic malignancy. History Pain tenderness in a unilateral dermatomal distribution often precedes rash. Physical W i 3 4 d of onset of symptoms, clusters of...
Bullous Pemphigoid BP
Etiology IgG produced against antigens in the dermal-epidermal basement membrane leads to subepidermal tense bullae. History Autoimmune bullous skin disease observed predominantly in patients gt 60 yr usually self-limited over 5 6-yr period. It may be accompanied by pruritus, especially in urticarial early form of BP. Physical Large tense bullae and denuded areas on erythematous or normal skin 20 have oral lesions. Investigations Lesional biopsy for histology and perilesional for...
Sarcoidosis
Malignancies, esp. hematological History Lesions may be associated with fever, malaise, leg edema, and arthralgia. Recurrence not uncommon. Resolution after 2-6 wk. Physical Painful, dull, erythematous nodules 1 cm 5 cm in diameter, located on anterior lower legs of young women. No ulceration, discharge or scarring. Investigations Thorough review of systems CBC, urinalysis, chest X-ray, ASOT titer and throat swab w streptococcal pharyngitis . DDx Insect bite reaction, erysipelas, erythema...
Descriptors
Symmetrical, asymmetrical, sun-exposed, flexures extensors, acral hands feet Erythematous or nonerythematous lesions amp or underlying skin Surface Features Crusting, rough, smooth, scaly, warty Type Cyst, macule, papule, pustule, ulcer, vesicle Color Blue, brown, pink, purple, red, white Single or multiple, discrete, unilateral, generalized, disseminated, grouped, annular, gyrate, dermatomal, linear, serpiginous Well- or poorly defined, active edge, round, oval, irregular, pedunculated Scalp,...
Seborrheic Dermatitis Nails
Nail Findings and Associated Systemic Conditions Any severe systemic illness that disrupts nail growth, pemphigus, Raynaud's disease, trauma Asbestosis, atrioventricular malformations, chronic bronchitis, cirrhosis, congenital heart disease, COPD, endocarditis, fistulas, inflammatory bowel disease, pulmonary malignancy Hemochromatosis, iron deficiency anemia, nail-patella syndrome, Raynaud's disease, SLE, trauma Amyloidosis, connective tissue disorders, hyperthyroidism, infection, psoriasis,...
Acne Vulgaris
Inflammatory disorder of pilosebaceous follicles with a 90 prevalence in adolescence and young adulthood. Etiology Abnormal follicular keratinization, increased sebum 2 to androgens, Propionibacterium acnes bacteria , inflammation. Genetic factors occlusive cosmetic agents medications steroids, ACTH, androgens, danazol, iodides, lithium, antiepileptics, oral contraceptives diseases congenital adrenal hyperplasia CAH , polycystic ovarian syndrome PCOS worse with emotional stress. History Often...
History Taking in Dermatology
ID Age, race, sex, occupation, hobbies HPI a. When did the rash lesion start or was first noticed c. Symptoms E.g., does it itch, hurt, burn d. Evolution How has it spread or developed over time e. What makes the rash or symptoms worse E.g., heat, cold, sun, exercise, season f. What therapy has been tried dose, duration, frequency of actual use Contacts where appropriate Pets or farm animal contact, travel, motel stays PMHx Diabetes, hypertension, atopy eczema, asthma, hay fever , previous skin...
Photobiology Phototherapy
UVA-1 340-40On m UVA-2 320-340nm Electromagnetic Spectrum with Expanded UV Region Electromagnetic Spectrum with Expanded UV Region Skin changes and the responsible -wavelengths nm 320 340 400 Wavelength nm Penetration of Different UV Wavelengths Burns minimally, tans gradually and uniformly Those in SPT groups I amp II are at highest risk for skin cancer. Those in SPT groups I amp II are at highest risk for skin cancer.
PruritusItch
Pediculosis capitis lice , psoriasis, seborrheic dermatitis Contact dermatitis axillae, waistline , erythrasma axillae , pediculosis corporis, psoriasis, scabies, seborrheic dermatitis chest , seborrheic keratoses, urticaria Candida, contact dermatitis, erythrasma, pediculosis pubis, scabies, tinea cruris Candidiasis, contact dermatitis, gonorrhea, hemorrhoids, pinworms, psoriasis, tinea cruris Contact dermatitis, eczema atopic, dyshidrotic , scabies Atopic dermatitis, dermatitis herpetiformis...
OSHA Compliant
Waterproof and Reusable Wipe-Free Pages Write directly onto any page of Derm Notes with a ballpoint pen. Wipe old entries off with an alcohol pad and reuse. Look for our other Davis's Notes titles RNotes Nurse's Clinical Pocket Guide, 2nd edition ISBN-10 0-8036-1335-0 ISBN-13 978-0-8036-1335-5 Coding Notes Medical Insurance Pocket Guide ISBN-10 0-8036-1536-1 ISBN-13 978-0-8036-1536-6 ECG Notes Interpretation and Management Guide ISBN-10 0-8036-1347-4 ISBN-13 978-0-8036-1347-8 IV Therapy Notes...