Pathnologic @pathnologic
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Borrelia recurrentis Infection - Spirochetes were visible (arrows), a finding that suggested louseborne relapsing fever #Clinical
fever #Clinical #Pathology ... Smear #Microscopy #NEJM
Pathology - Castleman disease. 

Mediastinal mass in a younger woman.

Histologic Features of Castleman disease, hyaline vascular
Pathology - Castleman ... disease. ... Features of Castleman disease ... #Castleman #disease ... #Pathology #Smear
Excoriated papules with honey-colored crusting were present on the abdomen, back (Panel A), arms, and legs.
Clinical #Derm #Pathology ... Microscopy #Rash #NEJM
African Trypanosomiasis - The examination was notable for the two erythematous lesions, each measuring 3 to
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
Amiodarone induced thyroid changes

Histopath: Remarkably enlarged follicles, distended with colloid, without 
scalloping, and lined by flattened
Amiodarone induced thyroid ... #Amiodarone #thyroid ... thyrotoxicosis #AIT #Pathology
Eyelid Melanoma - Despite conservative interventions, the stye had persisted and the skin had become noticeably
C) #Clinical #Pathology ... Melanoma #Microscopy #NEJM
Tinea Versicolor - Physical examination revealed large, coalescing, hypopigmented patches and macules on her torso and
Clinical #Derm #Pathology ... Microscopy #Spaghetti #NEJM
Strongyloides stercoralis Hyperinfection - Physical examination revealed reticulated purpuric patches with dusky centers on the abdomen,
Clinical #Derm #Pathology ... FilariformLarvae #Microscopy #NEJM
Plasma cell leukemia with extensive rouleaux formation. Aggressive disease & patients typically younger than other forms
Aggressive disease ... Smear #Hematology #Pathology