13 results
Infectious Joint Pain - Differential Diagnosis Algorithm 
Polyarticular Join Pain
 • Viral Myalgia
 • Viral Arthritis
Pain - Differential ... Papules & Mucosal Lesions ... Peri-Articular • Cellulitis ... Septic Bursitis • Abscess ... #Orthopedics #Causes
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
, may also see skin ... Infectious: ... Syphilis • Pyogenic Abscess ... #Brain #differential ... #diagnosis #causes
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
Waterborne Infections - Differential Diagnosis Framework

Infections that can be acquired from fresh water, brackish water, sea
- Differential ... Blooms (HABs) Skin ... • Cellulitis ... (Mycobacteria abscessus ... #Differential #
Nontuberculous Mycobacteria (NTM) Infections 

Mycobacterial species other than those belonging to the Mycobacterium tuberculosis complex and
status NTM Cause ... Pulmonary • Skin ... Nodular or cavitary lesions ... • M genavense Skin ... #differential #
Nodular Skin Lesions in the Returning Traveler
Furuncular Myiasis:
 • Pathogens: Dermatobia hominis, Cordylobia spp, Cuterebra spp
Nodular Skin Lesions ... Features: Cutaneous abscesses ... with adjacent cellulitis ... #dermatology #infections ... #differential #
Immune Reconstitution Inflammatory Syndrome - Overview of IRIS

What Is IRIS?
	• A state of hyperinflammatory response that
osteomyelitis, cutaneous abscesses ... cavitating pneumonia, skin ... unintentional weight loss, nausea ... Leishmaniasis Differential ... Inflammatory #Syndrome #Differential