12 results
Lymphocutaneous Sporotrichiosis Infection

Landscaper w/ painless nodular rash of arm present for months wax and wane; diagnosis?
Lymphocutaneous
nodular rash of arm ... wane; diagnosis ... trauma leads to skin ... #clinical #photo ... #hand
Cutaneous larva migrans skin Rash
25 F recent Caribbean vacation, walked barefoot on sand and now with
rash. diagnosis ... Strongyloides stercoralis infection ... self-limited Diagnosis ... Indiana University Infectious ... dermatology #clinical #photo
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
- Differential Diagnosis ... infections and ... loss, arthralgia, arm ... fluid (CSF) is abnormal ... occasional oligoclonal bands
Erythemas Summarized
Erythema ab igne
 • A dermatosis that results from repeated exposure to heat (fires, heating
(cutaneous or systemic ... on the back of hands ... • Causes are multiple ... and include: infections ... #differential #diagnosis
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
- Differential Diagnosis ... hemorrhage, which are ... for hepatitis B and ... cryoglobulins • Skin ... #dermatology #physicalexam
Cutaneous Mucormycosis Eschar
30 M HIV cd4 10 VL 30k traumatic injury of arm few months ago
traumatic injury of arm ... Diagnosis? ... Indiana University Infectious ... #dermatology #skin ... #clinical #photo
Capnocytophaga Canimorsus Skin Rash

40 M presents w/ N, V, severe epigastric pain. SHx: smoker, drinks 18
Capnocytophaga canimorsus normal ... the key to the diagnosis ... difficult to culture and ... including patients who are ... dermatology #clinical #photo
Secondary Syphilis Rash
Secondary syphilis is the most contagious of all the stages of this disease, and
Skin rash and malaise ... treatment, the infection ... the palms of the hands ... Syphilis #Rash #Diagnosis ... #Clinical #Photo
Nail Pathologies - Findings in or Near Nails

Paronychia 

A superficial infection of the proximal and lateral
of the hand, usually ... manicuring, or frequent hand ... Nail #Diseases #Abnormal ... #Pathology #Diagnosis ... Clinical #Signs #PhysicalExam
Giant cell arteritis (GCA)

Giant cell arteritis (GCA) definition: Most common systemic inflammatory vasculitis in older adults
vasculitis vs infection ... 50 in GCA, but normal ... variably: On one hand ... required due to skip ... required +/- prompt ophthalmology