Pathological descriptions of tumors

Cystic

Forming large open spaces filled with fluid

Mucinous

Containing mucus, a thick and sticky fluid

Serous

Containing thin, watery fluid resembling serum

Fungating

Mushroom-like growth projecting from a tissue surface

Inflammatory

Having features of inflammation, such as redness, swelling, and heat

Medullary

Large, soft, fleshy in appearance

Necrotic

Containing dead tissue

Polypoid

Forming projections that extend outward from a base

Sessile

Having a broad base without a stem or stalk

Pedunculated

Attached by a stem or stalk

Ulcerating

Having an open surface caused by the death of overlying tissue

Verrucous

Resembling a wart-like growth

Alveolar

Tumor cells form patterns resembling small sacs

Carcinoma in situ

Cancerous cells localized to their original site without invasion of adjacent structures

Diffuse

Spreading evenly throughout the affected tissue

Dysplastic

Containing abnormal-appearing cells that are not clearly cancerous

Epidermoid

Resembling squamous epithelial cells

Follicular

Forming small, round, gland-like clusters

Nodular

Forming distinct rounded masses or nodules

Papillary

Forming small, finger-like or nipple-like projections

Pleomorphic

Composed of cells that vary in size, shape, or type

Scirrhous

Densely packed, hard tumor caused by dense bands of fibrous tissue

Undifferentiated

Lacking microscopic structures typical of normal mature cells

Gross tumor description

Visual appearance of a tumor to the naked eye

Microscopic tumor description

Appearance of tumor cells and their arrangement under a microscope