14 results
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
Rash - Differential ... : • Palpable Rash ... • Non-Palpable Rash ... : • Palpable Rash ... • Non-Palpable Rash
Strongyloides stercoralis Hyperinfection - Physical examination revealed reticulated purpuric patches with dusky centers on the abdomen,
biopsy of the rash ... Clinical #Derm #Pathology ... InfectiousDisease #Rash ... FilariformLarvae #Microscopy ... #NEJM
Erythroderma - Diagnostic Algorithm. Pathophysiology: 1) Extensive cutaneous capillary dilation, results in widespread exfoliation of the
Erythroderma - Diagnostic Algorithm ... : 1) Extensive cutaneous ... Causes: 1) Exfoliative ... #Dermatology #Rash ... Erythroderma #Nikolsky #Algorithm
Tinea Versicolor - Physical examination revealed large, coalescing, hypopigmented patches and macules on her torso and
presence of yeast in ... Clinical #Derm #Pathology ... TineaVersicolor #Rash ... #Microscopy #Spaghetti ... #NEJM
Algorithmic Approach to Acute Interstitial Nephritis
When to suspect AIN? (not sensitive)
 • AKI, AKD, rapidly progressive
Algorithmic Approach ... When to suspect AIN ... (<10%): fever, rash ... eosinophiluria, microscopic ... #Algorithm #nephrology
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
PR3-ANCA): • Microscopic ... tract, and often causes ... mucositis - Rash ... aphthous ulcers, cutaneous ... strong sign of cutaneous
Cutaneous Actinomycosis - the left knee was noted to have edema, erythema, hyperpigmentation, hyperkeratinization, and several
examination, on which an ... Clinical #Derm #Pathology ... #Rash #Cutaneous ... SplendoreHoeppli #Microscopy ... #NEJM
Lupus (SLE): Mucocutaneous Manifestations

 • Langerhan cells and keratinocytes release cytokines -> localized inflammatory response ->
response -> Subacute cutaneous ... hair follicles -> causes ... plugging -> Discoid Rash ... Malar (butterfly) Rash ... Livedo Reticularis, Vasculitis
Dermatologic Manifestations of Granulomatosis with Polyangiitis (GPA)

Skin involvement in granulomatosis with polyangiitis (GPA) is common and
can appear as an ... GPA causes disease ... Maculopapular rash ... Polyarteritis nodosa • Microscopic ... #dermatology #rash
Erythemas Summarized
Erythema ab igne
 • A dermatosis that results from repeated exposure to heat (fires, heating
Rash is usually ... chronicum migrans • Rash ... Fever + facial rash ... • Evanescent rash ... Acute systemic rash