Neuroma – palisaded encapsulated neuroma type
LEGEND
A neuroma is composed of axons and Schwann cells.
Its name is a misnomer; it is not truly encapsulated.
It gives the impression of being encapsulated because the nerve bundles are grouped, well-defined, and surrounded by clefts at the periphery.
Well-circumscribed dermal tumor, delineated by a fibrous pseudocapsule
Neuroma
LEGEND
Circumscribed tumor
Tumor composed of bundles separated by spaces
No associated inflammatory infiltrate
Neuroma
LEGEND
Absence of inflammation between bundles
Arrangement of spindle cells in bundles
Neuroma
Spindle cells with wavy nuclei
Neuroma
Spindle cells with wavy nuclei forming bundles delineated by spaces
Fibrous capsule
