# Grossing terms, descriptors

Macule → Focal area of color change that is not elevated or depressed in relation to its surroundings.

Papule → Solid raised lesion which is less than 5mm in diameter.

Nodule → Solid raised lesion greater than 5mm in diameter.

Pedenculated → Describing a tumor or growth where base is narrower than the widest part of the lesion.

Sessile → Describing a tumor or growth whose base is the widest part of the lesion.

Papillary → Describing a tumor or growth exhibiting numerous surface projections.

Verrucose → Describing a tumor or growth exhibiting a rough warty surface.

Vesicle → Superficial blisters, 5mm or less in diameter usually filled with clear fluid.

Bulla → Large blister greater than 5mm in diameter.

Pustule → Blister filled with purulent fluid.

Ulcer → Lesion charecterised by loss in surface epithelium and some of the underlying connective tissues. It often appears depressed or excavated.

Erosion → Superficial lesion, often arising secondary to rupture of a vesicle or bulla that is charecterised by total or plastic loss of surface epithelium.

Plaque → Lesion that is slightly elevated and flat on its surface.

Fissure → Narrow slit like ulceration or groove.

Petichae → Round pin point area of haemorrhage.

Ecchynosis → Non elevated area of a haemorrhage larger than petichae.

Telengiectasia → Vascular lesion caused by dilatation of a small, superficial blood vessel.

Cyst → It is a pathological cavity epithelium often filled with fluid, semifluid, casseous contents which is not created by accumilation of pus. It may or maynot be lined by epithelium.

Unilocular → Describing a radiolucent lesion having a single compartment.

Multilocular → Describing a radiolucent lesion having several or many compartments.