F36, HIV Ab , bilateral diffuse groundglass opacity

1
F/36, HIV Ab (), bilateral diffuse ground-glass
opacity
2
BAL
Frothy exudate
3
BAL
Eosinophilic frothy-appearing exudate
4
TBLB
Eosinophilic frothy-appearing exudate and
non-specific thickening alveolar wall
5

TBLB
Eosinophilic frothy-appearing exudate and
non-specific thickening alveolar wall
6
GMS stain showing the round and sometimes
indented or helmet-shaped organisms within the
intraalveolar exudate.
7
Pneumocystis pneumonia

• The type causing disease in humans has been
  renamed P. girovecii, while P. carinii is used
  for the organism in rats. The acronym PCP,
  previously referring to Pneumocystis carinii
  pneumonia, now refers to Pneumocystis
  pneumonia.