Background: Malignant perivascular epitheliod cell tumor (PEComa) is a very rare entity composed of distinctive perivascular epitheliod cells with variable immunoreactivity for melanocytic and ...

Fibroblastic reticular cells (FRCs) create T-cell-supportive niches within lung cancer tumors, facilitating T-cell migration, ...

The borders of these 'perivascular spaces' are formed from brain cells, which stick their 'endfeet' together to create a permeable barrier. Some scientists hypothesize it is this membrane that ...