Thyroid & Adrenal
|D||Cyst at the floor of mouth|
Ranula is mucous retention Cyst at the floor of mouth.
Epulis is pyogenic granuloma of gums in pregnancy.
a. Ranulas are cystic lesions produced by obstruction of superficially located salivary glands.
b. They are usually confined to the mucosa of the oral cavity, especially in the floor of the mouth and undersurface of the tongue.
c. If portions of the sublingual glands or submandibular glands become obstructed and dilate, these are usually referred to as plunging ranulas.
d. The cystic masses may rupture and form irregular cavities filled with a mucoid-hemorrhagic type of material that infiltrates to the muscular planes of the floor of the mouth.
e. The contents of the cyst are of the density of water unless they are studied during an acute episode of infection or recent hemorrhage.
f. Ranulas frequently cross the midline on either side of the frenulum.
g. Thus, Ranulas are transparent cyst on the floor of mouth on one side or the other.