40 results
Skin Ulcers of the Lower Legs / Feet - Differential Diagnosis Algorithm
Physical:
• Pressure
• Trauma
• Radiation
Vascular:
• Arterial
Ulcers of the Lower Legs ... Metabolic: • Pyoderma gangrenosum ... Melanoma #Lower #Legs ... ulcerative #skinrash #dermatology ... Diagnosis #Algorithm #causes
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
Causes of Petechial ... Pinpoint areas (less ... • Abdominal ultrasound ... Diagnosis #Algorithm #Causes ... #dermatology #physicalexam
Pyoderma Gangrenosum: Autoimmune disorder resulting in a vasculitis which causes slowly progressive 
ulceration of the skin.
Pyoderma Gangrenosum ... vasculitis which causes ... diseases, it is most commonly ... Clinical #Photo #Dermatology ... SkinRash #Pyoderma #Gangrenosum
Dermatologic Manifestations of Granulomatosis with Polyangiitis (GPA)

Skin involvement in granulomatosis with polyangiitis (GPA) is common and
polyangiitis (GPA) is common ... disease or more commonly ... GPA causes disease ... Maculopapular rash ... resemble pyoderma gangrenosum
Types of Melanoma
Superficial Spreading
 • Most common form
 • Often develops in previously benign mole
 •
Most common place ... trunk, women = legs ... melanomas Uveal or Ocular ... mirror • Early ocular ... classification #dermatology
Blurry Vision - Differential Diagnosis Framework

Anatomical Approach to Eye Disease:
1. Lids/Lashes
2. Extraocular Muscles/Motility
3. Conjunctiva/Sclera
4. Cornea
5. Anterior
Ocular Adverse Effects ... are much more common ... Concussion Other Causes ... are much more common ... ophthalmology #causes
Vibrio Vulnificus skin infection
Cirrhosis w/recent consumption of raw oysters w/rapidly evolving rash. 
Vibrio vulnificus part of
rapidly evolving rash ... marine microbiota & causes ... , hypotension, rash ... #cellulitis #dermatology ... #legs #clinical
ID Approach to Fever and Rash - Diagnostic Algorithm
Central Maculopapular (most common):
Measles, Parvovirus 819 / EBV,
Approach to Fever and Rash ... Maculopapular (most common ... HFMD), Pyoderma gangrenosum ... ), Vasculitis Nodular ... WuidQ #Fever #Rash
Lymphocutaneous Sporotrichiosis Infection

Landscaper w/ painless nodular rash of arm present for months wax and wane; diagnosis?
Lymphocutaneous
Landscaper w/ painless nodular ... rash of arm present ... lymphatic spread: common ... leishmania, Tb, NTM; less ... common (leprosy
Erythemas Summarized
Erythema ab igne
 • A dermatosis that results from repeated exposure to heat (fires, heating
Rash is usually ... acquired dermal macular ... or trunk most commonly ... • Most commonly ... differential #diagnosis #dermatology