27 July 2023
: Case report 
The Role of Aquaporin 1 in Water Retention Mechanism of Arachnoid Cysts: Insights from 3 Case Reports
Unknown etiology, Challenging differential diagnosis
Yasutaka Kurokawa12ABCDEF*, Masanori Ishiguro3BC, Takayuki Kurokawa
4EF
DOI: 10.12659/AJCR.939834
Am J Case Rep 2023; 24:e939834
Figure 4. Photomicrograph of hematoxylin-eosin staining of the specimens. Cells with small nuclei showing no atypicality are arranged like an epithelium forming several thicker lamellae (A). Vessels are rarely observed. In the thick part of the cavity wall, a round space is seen (B), resembling epithelialized vacuoles. Connective tissue is seen in between (C) but not as rich. Original magnification is ×10.