Ozdamar, "Intranodal palisaded myofibroblastoma (intranodal hemorrhagic spindle cell tumor with amianthoid fibers): a case report and literature review," Diagnostic Pathology, vol.
Caption: Figure 4: Acellular material accumulation with homogeneous eosinophilic appearance called "amianthoid fibers" (HE, 100x).
Immunohistochemical study of the so-called amianthoid fibers indicates that the center of these fibers is composed of collagen type I, while the periphery is made up of collagen type III.
First, the so-called amianthoid fiber is a collagen fiber, not an amianthoid fiber.