Hale colloidal iron stain

Hale col·loi·dal i·ron stain

(hāl),
a stain used to distinguish acid mucopolysaccharides such as hyaluronic acid; may be combined with periodic acid-Schiff to also visualize carbohydrate-containing proteins and glycoproteins.

Hale col·loi·dal i·ron stain

(hāl kŏ-loyd'ăl ī'ŏrn stān)
A stain used to distinguish acid mucopolysaccharides (e.g., hyaluronic acid); may be combined with PAS to visualize carbohydrate-containing proteins and glycoproteins.
References in periodicals archive ?
The epithelial component was diffusely positive for Hale colloidal iron stain (Figure 3).
In the sarcomatoid component, diffuse vimentin positivity (Figure 5) and focal SMA positivity were observed, whereas other markers, as well as Hale colloidal iron stain, were negative.
Chromophobe renal cell carcinoma is diffusely positive for Hale colloidal iron stain and usually expresses E-cadherin or kidney-specific cadherin, pancytokeratin (AE1/ AE3), and CK7, but is negative for vimentin, c-kit, and SMA.