In addition to the spindle cells, abundant strongly eosinophilic, stellate , extracellular matrix deposits composed of crystalline fibers were seen.
Additionally, there are no central epithelial cells resembling stellate reticulum.
Grossly, oncocytomas are well circumscribed, nonencapsulated neoplasms that are classically mahogany brown and in larger rumors have a central, stellate , radiating scar.
An abundant, granular, myxoid background can also be seen in myxoid liposarcoma, but the cells are monomorphously spindle / stellate .
Histologically, the tumors were composed of uniform short spindle or stellate cells with indistinct cell borders arranged in narrow and short fascicles.
Mesenteric disease on CT scan is seen as a patchy or diffuse increase in density, strands within the mesentery, and a stellate appearance.
The typical stellate reticulum and microcyst formation often seen in follicular ameloblastoma, however, was rarely encountered.
Kupffer cells are activated early, diffusely, and intensely and precede the activation of stellate cells.
This contraction wrinkles the thick mucosa at this level so that the fully occluded lumen takes on a stellate configuration.
The nuclei were often elongated and cytologically bland with occasional stellate cells and loose myxoid background.