13 results
Capnocytophaga Canimorsus Skin Rash

40 M presents w/ N, V, severe epigastric pain. SHx: smoker, drinks 18
Skin Rash 40 ... normal oral flora ... +purpuric rash → ... #Skin #Rash #dermatology ... #clinical #photo
Acute Purpura Fulminans Skin Rash on Physical Exam 
60 year old male ITP s/p splenectomy 
1d
Skin Rash on Physical ... ) and critical illness ... - BIDMC Infectious ... #Rash #clinical ... #photo
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
deficiency - Abnormal ... : • Complete blood ... • Fecal occult blood ... for hepatitis B and ... cryoglobulins • Skin
Dermatologic Manifestations of Granulomatosis with Polyangiitis (GPA)

Skin involvement in granulomatosis with polyangiitis (GPA) is common and
Rarely dominate the clinical ... Maculopapular rash ... cell arteritis Infections ... vasculitis (inflamed blood ... #dermatology #rash
Lymphocutaneous Sporotrichiosis Infection

Landscaper w/ painless nodular rash of arm present for months wax and wane; diagnosis?
Lymphocutaneous
painless nodular rash ... trauma leads to skin ... systemic signs, labs normal ... #clinical #photo ... #hand
Capnocytophaga
GNR with long fusiform shape.  Fastidious facultative anaerobe that grows slowly and needs enriched agar
C.
cats) Classic clinical ... shock with fever, rash ... can evolve to purpura ... Capnocytophaga #Infection ... #Microbiology #CAnimorsus
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
to exclude are infections ... pulses, bruits, or blood ... , mucositis • Rash ... fluid (CSF) is abnormal ... , recent viral infection
Schistocytes - The arrows point to schistocytes which are fragmented red blood cells. Also called schizocytes,
fragmented red blood ... are one of the abnormal ... a more generic term ... In the right photo ... thrombocytopenic purpura
Disseminated Cutaneous Blastomycosis- A fungal culture of skin tissue was negative; however, a skin biopsy showed
fungal culture of skin ... negative; however, a skin ... pyogranulomatous fungal infection ... #clinical #photo ... #derm #NEJM #cutaneous
Tinea Capitis in a Newborn- A 3-week-old male newborn was brought to the pediatrician with three
similar skin lesions ... capitis, a fungal infection ... #clinical #photo ... #NEJM #tinea #capitis ... #ringworm #derm