Cavernous Haemangioma.. Large blood spaces with a thin, blood-filled wall lined with flat blanket cells and surrounded by fibrous connective tissue

Cavernous Haemangioma:
Poetic-like, but consists of large voids filled with blood.
Clinically:
It appears at or shortly after birth:
Peripheral: A dark red tumor on the tongue and lips.
Central: Inside the upper or lower jawbone, it appears radially as a multi-focal lesion.
It can lead to fatal hemorrhage if an age is removed above the tumor.
Textically:
Large blood voids, with a thin wall filled with blood, lined with flat blanket cells, surrounded by fibrous connective tissue.
Note:
The two most serious problems in this tumor: bleeding, and central presence within the bone.