Skin, nails and lumps Flashcards
(28 cards)
Types of cutaneous drug reactions (17)
Acne Pigmentation Alopecia Exfoliative dermatitis Urticaria Maculopapular rash Photosensitive Drug induced lupus Vasculitis Skin necrosis Drug porphyria Lichenoid Fixed drug eruption Bullous Erythema nodosum TEN Pruritis
Features of a skin lump
Site Size Shape Consistency Tenderness Fluctuant Transilluminable Erythema Lumps elsewhere
Algorithm for skin lesions
Involves
Types of skin lesions
Includes
Primary skin disorders causing pruritis (5)
Asteotosis Atopic dermatitis Urticaria Scabies Dermatitis herpetiformis
Systemic conditions causing pruritis
Cholestasis CRF Pregnancy Lymphoma, internal malignancy Iron deficiency, PRV Endocrine- DM, thyroid, carcinoid
Causes of erythrosquamous eruptions
Psoriasis Atopic dermatitis Pityriasis rosea Nummular eczema Contact dermatitis Dermatophyte Lichen planus Secondary syphillis
Important skin sign in pityriasis rosea
Herald patch
Causes of blistering eruptions
Trauma Bullous impetigo Viral blisters Bullous erythema multiforme Bullous pemphigoid Dermatitis herpetiformis Pemphigus Porphyria Epidermolysa bullosa Dermatophyte Acute contact dermatitis
Blisters on back of hand that break easily and worse if been in the sun
Porphyria cutaneoa tarda
Blisters in the mouth that came on before the skin blisters
Pemphigus vulgaris
Inside of mouth suddenly ulcerated and painful
SJS
Blisters proceeded by severe pain and burning
Herpes zoster
Pink spots before the blisters that were itchy
Bullous pemphigoid
Causes of erythroderma
Eczema Psoriasis Drugs Pityriasis rubra pilaris Mycosis fungioides, leukemia, lyphoma Lichen planus Pemphigus Hereditary disorders Dermatophytosis
Causes of pustular and crusted lesionS
Acne vulgaris Acne rosacea Impetigo Folliculitis Viral lesions Pustular psoriasis Drug eruptions Dermatophyte infections
Causes of dermal plaques
Granuloma annulare Necrobiosis lipoidica Sarcoidosis Erythema nodosum Lupus erythromatosous Morphoea and scleroderma TB Leprosy
Erythema nodosum define and features (3)
Nodular vasculitis
Erythematous, tender, palpable
Lesions in erythema multiforme
Target lesions
Widespread desquamation syndrome with erythema multiforme
Steven Johnson Syndrome
Causes of erythema multiforme
Herpes simplex Mycoplasma pneumoniae Histoplasmosis Malignancy Sarcoidosis Drugs
Causes of hyperhydrosis
Thyrotoxicosis Phaeochromocytoma Acromegaly Hypoglycemia Autonomic dysfunction Stress fever Menopause
Overview causes of diffuse hyperpigmentation
Endocrine
Metabolic
Racial
Other
Endocrine causes of hyperpigmentation
Addisons disease
Ectopic ACTH
OCP, pregnancy
Thyrotoxicosis, acromegaly, phaeochromocytoma
