Lab test interpretation

Cerebrospinal Fluid Cytology: Arachnoendothelial Cell & Plasmacyte

CSF microscopy in a 5-month-old infant with purulent meningitis: differentiating an arachnoendothelial cell from a plasmacyte using Samson's stain.

Cerebrospinal fluid smear: arachnoendothelial cell and plasmacyte, Samson's stain, x400
Cerebrospinal fluid smear: arachnoendothelial cell and plasmacyte, Samson’s stain, x400

Arachnoendothelial cell (red arrow) and plasmacyte (white arrow) in cerebrospinal fluid. Boy, 5 months old, diagnosis: purulent meningitis. Samson’s stain, magnification x400.

👉 The image was kindly provided by KDL biologist Tanya Zhuleva, Regional Children’s Hospital No. 2 (ODKB 2) Voronezh.