17 results
Head and Neck Skin Ulcers - Differential Diagnosis Algorithm
Neoplastic:
 • Squamous cell carcinoma
 • Basal cell
: • Pyoderma gangrenosum ... Ulcers #ulcerative #skinrash ... Diagnosis #Algorithm #causes
Pyoderma Gangrenosum: Autoimmune disorder resulting in a vasculitis which causes slowly progressive 
ulceration of the skin.
Pyoderma Gangrenosum ... vasculitis which causes ... #Dermatology #SkinRash ... #Pyoderma #Gangrenosum
Skin Ulcers of the Lower Legs / Feet - Differential Diagnosis Algorithm
Physical:
• Pressure
• Trauma
• Radiation
Vascular:
• Arterial
Metabolic: • Pyoderma gangrenosum ... Ulcers #ulcerative #skinrash ... Diagnosis #Algorithm #causes
Morphological variation in Pyoderma Gangrenosum lesions

doi: 10.1038/s41572-020-0213-x

#Pyoderma #Gangrenosum #clinical #photo #skinrash #dermatology #pg
variation in Pyoderma Gangrenosum ... -x #Pyoderma #Gangrenosum ... clinical #photo #skinrash
Skin Ulcers by Etiology - Differential Diagnosis Algorithm
Physical:
 • Trauma
 • Pressure
 • Radiation
Vascular:
 • Arterial
: • Pyoderma gangrenosum ... Ulcers #ulcerative #skinrash ... Diagnosis #Algorithm #causes
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
disorders, or other causes ... • Secondary Causes ... reactions • Erythema gangrenosum ... Differential #Diagnosis #hematology ... #rheumatology #
Ulcerative Blastomycosis Skin Lesion
57 asymptomatic M from Indiana nonpruritic, painless, progressive skin lesion lower back x
cell ca, pyoderma gangrenosum ... Blastomycosis #SkinRash
Skin Conditions Associated with Joint Pain

Rash
	• Human parvovirus B19 infection

Malar rash
	• SLE
	• Human parvovirus B19 infection
	•
PAN Pyoderma gangrenosum ... differential #diagnosis #rheumatology
Causes of Pseudocellulitis - Differential Diagnosis Framework for Cellulitis Mimics

Cellulitis: Deep skin and subcutaneous fat infection

Pseudo
Causes of Pseudocellulitis ... Inflammatory Causes ... nodosum • Pyoderma gangrenosum ... Neoplastic Causes ... Miscellaneous Causes
Causes of Culture Negative Abscess - Differential Diagnosis Framework
Consider prior antibiotics as a cause of a
Causes of Culture ... antibiotics as a cause ... disease, pyoderma gangrenosum