Case 175. 

Lymph node biopsy from the same patient of lethal penicilliosis marneffei
       
 
Grocott's silver identifies pathognomonic septum formation (schizogony).
 
       

 

  Recognition of the septa in the yeasts is essential to make a definite diagnosis. The other yeast-form fungi, including Histoplasma capsulatum, show budding features for cell divisions.