Pathnologic @pathnologic
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Here are the morphological hallmarks of Rhabdomyosarcoma.

 - Broken arrow sign 

 - tad-pole rhabdomyoblasts
Wraith cells - Cross ... Rhabdomyosarcoma #Hallmarks #Pathology ... #Microscopy #Clinical
Borrelia recurrentis Infection - Spirochetes were visible (arrows), a finding that suggested louseborne relapsing fever #Clinical
relapsing fever #Clinical ... #Pathology #BorreliaRecurrentis ... Smear #Microscopy #NEJM
Pathology - Castleman disease. 

Mediastinal mass in a younger woman.

Histologic Features of Castleman disease, hyaline vascular
Pathology - Castleman ... disease. ... #Castleman #disease ... #Pathology #Smear ... #Microscopy #Clinical
Excoriated papules with honey-colored crusting were present on the abdomen, back (Panel A), arms, and legs.
#Clinical #Derm ... #Pathology #Scabies ... Microscopy #Rash #NEJM
African Trypanosomiasis - The examination was notable for the two erythematous lesions, each measuring 3 to
rhodesiense) (Panel B) #Clinical ... #Derm #Pathology ... TrypanosomaBrucei #NEJM
Acute Graft versus Host disease: vacuolar interface dermatitis w/ lymphoexocytosis, dyskeratotic keratinocytes, notable satellite cell necrosis.
Graft versus Host disease ... #versus #Host #disease ... #Pathology #Microscopy ... #Dermatology #Clinical
Aldosteronoma — Spironolactone Bodies 

1. Spironolactone is often used to treat hypertension caused by hyperaldosteronism, and
Spironolactone Bodies 1. ... Spironolactone #Bodies #Pathology ... #Clinical #Gross
Tinea Versicolor - Physical examination revealed large, coalescing, hypopigmented patches and macules on her torso and
#Clinical #Derm ... #Pathology #Tinea ... Microscopy #Spaghetti #NEJM
Strongyloides stercoralis Hyperinfection - Physical examination revealed reticulated purpuric patches with dusky centers on the abdomen,
#Clinical #Derm ... #Pathology #InfectiousDisease ... FilariformLarvae #Microscopy #NEJM
Eyelid Melanoma - Despite conservative interventions, the stye had persisted and the skin had become noticeably
mitogenesis (Panel C) #Clinical ... #Pathology #Derm ... Melanoma #Microscopy #NEJM