11 results
Herpes Simplex Virus 
Lymphadenitis 
 • Expanded paracortex 
 • HSV-infected cells are 
present in areas
• HSV-infected cells ... Lymphadenitis #HSV #Pathology ... #Microscopy #Clinical ... #LymphNode
Paracoccidioides brasiliensis Lymphadenitis: 

Paracoccidioidomycosis is a systemic fungal infection rare in the US, but endemic in
Head&neck, Lymph Nodes ... seen within giant cells ... Lymphadenitis #Pathology ... #LymphNode #Clinical ... #Microscopy
Here is a lymph node that is lymphoid-depleted, fibrotic, and burned-out, typical of late phase HIV
seen in lymph nodes ... Lymphadenitis #PatternC #Pathology ... #Microscopy #LymphNode
Aldosteronoma — Spironolactone Bodies 

1. Spironolactone is often used to treat hypertension caused by hyperaldosteronism, and
Spironolactone Bodies ... Red blood cells ... endoplasmic reticulum in cells ... #Pathology #Clinical ... #Gross #Microscopy
Urinary Tract Tuberculosis - Contrast-enhanced computed tomography (CT) of the abdomen showed mild dilatation of the
the left renal pelvis ... Clinical #Radiology #Pathology ... AcidFastBacilli #Microscopy ... #NEJM
Neoplastic plasma cells with nucleoli (left image) and intranuclear Dutcher body (right image).

Dutcher bodies are round,
Neoplastic plasma cells ... Dutcher bodies are ... #DutcherBody #Bodies ... #Intranuclear #Pathology ... Clinical #Smear #Microscopy
Cryptococcus neoformans Meningoencephalitis- The opening pressure on lumbar puncture was 29 cm of water (reference range,
count was 340 cells ... 90% mononuclear cells ... load was 300,000 copies ... #clinical #NEJM ... stain #indiaInk #pathology
Here is a lymph node with florid follicular hyperplasia typical of HIV lymphadenitis (so-called "pattern A",
Warthin-Finkeldey type giant cells ... Monocytoid B cells ... Lymphadenitis #PatternA #Pathology ... #Microscopy #LymphNode
Trichofolliculoma - Dermatopathology
Mnemonic: Mama and her Babies. Multiple vellus hair follicles emanating from one large central
: Mama and her Babies ... Multiple vellus ... trichofolliculoma #Pathology ... #Microscopy #Dermatology
Grouped Pustules on an Erythematous Base - On physical examination, grouped, coalescing pustules that had scalloped
Microscopic examination ... multinucleated giant cells ... Clinical #Derm #Pathology ... Tzsanck #Smear #Microscopy ... #NEJM