Skin Findings Semiology

Question 1

Actinic Keratosis

Answer 1

Pre-malgnant lesion over sun exposed areas

Question 2

Basal cell carcinoma

Answer 2

Low grade cancer with papula, translucenter and umbilicated border with central ulceration and telangiectasia

Question 3

Gottrons papules
Heliotrope rash
Shawl sign
V sign

Answer 3

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

Question 4

Hyperextensibiliy

Answer 4

More than 4 cm at forearm or neck before feeling resistance

E-D syndrome

Question 5

Hyperpigmentaion

Answer 5

Primary adrenal failure (addisons), hemochromatosis, and hyperthyroid

Question 6

Livedo reticularis

Answer 6

Mottled/reticulated, red-blue lacy skin discoloration with central pallow associated with small vessel vascular processes

Question 7

Malar red rash

Answer 7

One of dz criteria for SLE

Question 8

Melanoma

Answer 8

Malignant tumor with multipale manifestaitons

Could be ocular and don’t have ot have sun eposure

Question 9

Neurofibromas

Answer 9

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

Question 10

Nikolskys sigin

Answer 10

Pressure resulting in blister

+ in pemphigus vulgairs and neg in bullous pemphigoid

Also + in TEN, scalded skin, bullous impetigo and epidermolyiss bullosa

Question 11

Psoriasis

Answer 11

Red plaques witht silvery scales of ext surfaces as well as trunk and scalpe

Question 12

Squamous cell carcinoma

Answer 12

Sun exposed skin and chronic scarring and inflammation

Nodules that grows to fungating lesions

Question 13

Think skin with small visible vessels

Answer 13

E-D type 4 with arterial rpture

Question 14

TS

Answer 14

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

Question 15

Vitiligo

Answer 15

Loss of melanin due to AI

Question 16

Xanthomas

Answer 16

Hyperlipiidemia

Question 17

Blastomycosis

Answer 17

Skin is 2nd most common and appear verrucous, ulcerate and mimic squamous cell carcinoma

Question 18

Ecthyma gangrenosum

Answer 18

Hemorrhagic vesicles or pustules that evolve into necortic ulcers…infectious vasculitis due to Psuedo Aero

Question 19

Erythemia chronicum migrans

Answer 19

Painless, rounded, slowly expanding red lesions with target patern in Lyme dz

Question 20

Herpes zoster

Answer 20

VZV infection…buring of dermatome

Rash WONT cross midline

Will crust and fade but neuropathic pain for weeks

Question 21

Lupus vulgaris

Answer 21

Bacillus inoculation of non-sensitized host…involves face and hands and in setting of prious local minor trauma

Question 22

Secondary syphilis

Answer 22

Rahs of palms and soles