16 results
Reversible Neurocognitive Disorders (Reversible Causes of "Dementia")
 • Structural/Mass: Subdural Hematoma, NPH, Intracranial tumor
 • Infection:
Intracranial tumor • Infection ... Encephalitis, Abscess ... , Nutritional UCSD ... #dementia #differential ... #neurology
Pyoderma Gangrenosum: Autoimmune disorder resulting in a vasculitis which causes slowly progressive 
ulceration of the skin.
Gangrenosum: Autoimmune disorder ... vasculitis which causes ... ulceration of the skin ... frequently mistaken for cellulitis ... Images #Clinical #Photo
Periorbital Cellulits: Note marked swelling and redness surrounding the eye due to infection. There is also
the eye due to infection ... evidence of an abscess ... Images #Clinical #Ophthalmology ... #Photo #Periorbital ... #Cellulits #UCSDH
Leg Pain - Differential Diagnosis Framework

Bone/Joint Causes of Leg Pain:
 • Fracture
 • Arthritis
 • Gout/pseudogout
Leg Pain - Differential ... : • Infection: ... Cellulitis, Abscess ... entrapment • Infections ... • Inflammation/cellulitis
Abscess: Marked swelling and redness is apparent just above antecubital fossa. This is caused by an
This is caused by ... innoculated under the skin ... during injection ... Images #Clinical #Photo ... #Fossa #Arm #UCSDH
Perirectal Cellulitis: Extensive inflammation and swelling of the right buttocks secondary to infection.
This can be distinguished
buttocks secondary to infection ... from a perirectal abscess ... absent in this case ... Images #Clinical #Photo ... #UCSDH
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
, may also see skin ... Syphilis • Pyogenic Abscess ... Lesions #Brain #differential ... #diagnosis #causes ... #radiology #neurology
Diabetic Foot Infection: Long standing, poorly controlled diabetes has led to peripheral arterial
disease and neuropathy. These
These disorders ... The skin is red ... as result of cellulitis ... Images #Clinical #Photo ... #UCSDH
Allopecia - Differential Diagnosis Framework for Hair Loss

Localized / Focal Hair Loss Pattern:
 • Scarring Alopecia:
Allopecia - Differential ... : Dissecting cellulitis ... Capitis - Skin ... Examine the entire skin ... loss #alopecia #Differential
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
Causes of Petechial ... Rash - Differential ... - Trauma - Infection ... Vasculitis - Collagen disorders ... cryoglobulins • Skin