18 results
Crusted Scabies - Physical examination now revealed a generalized erythematous and scaly rash with intense hyperkeratotic
erythematous and scaly rash ... Microscopic examination ... CrustedScabies #Scabies #Microscopy ... #NEJM
Excoriated papules with honey-colored crusting were present on the abdomen, back (Panel A), arms, and legs.
mite under light microscopy ... Pathology #Scabies #Microscopy ... #Rash #NEJM
Auer Rods - Bone marrow aspiration revealed 5% blasts and 65% promyelocytes; many promyelocytes had prominent
arrows) and mitotic figures ... AcutePromyelocyticLeukemia #Smear #Microscopy ... #NEJM
Borrelia recurrentis Infection - Spirochetes were visible (arrows), a finding that suggested louseborne relapsing fever #Clinical
louseborne relapsing fever ... Recurrentis #Smear #Microscopy ... #NEJM
Erythematous Rashes - THE ALGORITHMIC APPROACH

Characterized by diffuse redness of the skin due to
capillary congestion, erythematous
erythematous rashes (Figure ... or absence of fever ... If fever is present ... erythematous rash ... #Erythematous #Rash
Strongyloides stercoralis Hyperinfection - Physical examination revealed reticulated purpuric patches with dusky centers on the abdomen,
biopsy of the rash ... InfectiousDisease #Rash ... FilariformLarvae #Microscopy ... #NEJM
Vesiculobullous Rashes - THE ALGORITHMIC APPROACH 
Vesiculobullous rashes provoke significant angst
in many physicians (Figure 5, page
many physicians (Figure ... noting whether the rash ... vesiculobullous rash ... and a fever may ... localized lesions and fever
Algorithmic Approach to Acute Interstitial Nephritis
When to suspect AIN? (not sensitive)
 • AKI, AKD, rapidly progressive
triad (<10%): fever ... , rash, eosinophilia ... eosinophiluria, microscopic
Tinea Versicolor - Physical examination revealed large, coalescing, hypopigmented patches and macules on her torso and
TineaVersicolor #Rash ... #Microscopy #Spaghetti ... #NEJM
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
Causes of Petechial Rash ... Red Flags: • Fever ... : • Palpable Rash ... • Non-Palpable Rash ... Sjogren's, GPA, EGPA, Microscopic