Skin Findings Semiology Flashcards
Actinic Keratosis
Pre-malgnant lesion over sun exposed areas
Basal cell carcinoma
Low grade cancer with papula, translucenter and umbilicated border with central ulceration and telangiectasia
Gottrons papules
Heliotrope rash
Shawl sign
V sign
Red scaly plaques over MCPs and PIPs
Violet discoloratio nof upper eyelids
Widespread, flat, reddened over upper back, shoulder and post neck
Reddened V pattern of ant chest
Hyperextensibiliy
More than 4 cm at forearm or neck before feeling resistance
E-D syndrome
Hyperpigmentaion
Primary adrenal failure (addisons), hemochromatosis, and hyperthyroid
Livedo reticularis
Mottled/reticulated, red-blue lacy skin discoloration with central pallow associated with small vessel vascular processes
Malar red rash
One of dz criteria for SLE
Melanoma
Malignant tumor with multipale manifestaitons
Could be ocular and don’t have ot have sun eposure
Neurofibromas
Non-tender, soft, fleshy, sessile or pedunculated skin tumors…if present in great number consider Von Recklinghausens dz and look for cafe au lait and axilary freckles
Nikolskys sigin
Pressure resulting in blister
+ in pemphigus vulgairs and neg in bullous pemphigoid
Also + in TEN, scalded skin, bullous impetigo and epidermolyiss bullosa
Psoriasis
Red plaques witht silvery scales of ext surfaces as well as trunk and scalpe
Squamous cell carcinoma
Sun exposed skin and chronic scarring and inflammation
Nodules that grows to fungating lesions
Think skin with small visible vessels
E-D type 4 with arterial rpture
TS
Hypopigment, ellipitical macules, flesh colored or red papules of central face, eringual fibromas and Shagreen patch
Have epilepsy, cog impairment, inc risk of cancer, angiomyolipomas and risk of developing cystic lung dz
Vitiligo
Loss of melanin due to AI
Xanthomas
Hyperlipiidemia
Blastomycosis
Skin is 2nd most common and appear verrucous, ulcerate and mimic squamous cell carcinoma
Ecthyma gangrenosum
Hemorrhagic vesicles or pustules that evolve into necortic ulcers…infectious vasculitis due to Psuedo Aero
Erythemia chronicum migrans
Painless, rounded, slowly expanding red lesions with target patern in Lyme dz
Herpes zoster
VZV infection…buring of dermatome
Rash WONT cross midline
Will crust and fade but neuropathic pain for weeks
Lupus vulgaris
Bacillus inoculation of non-sensitized host…involves face and hands and in setting of prious local minor trauma
Secondary syphilis
Rahs of palms and soles
