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Mucous retention cyst in maxillary sinus indicated by the asymmetrical blue lump to the right of the nose The most common location to find a mucocele is the inner surface of the lower lip. It can also be found on the inner side of the cheek (known as the buccal mucosa ), on the anterior ventral tongue , and the floor of the mouth .
Minor trauma to the floor of the mouth is thought to damage the delicate ducts that drain saliva from the sublingual gland into the oral cavity. [2] The lesion is a mucous extravasation cyst (mucocele) of the floor of mouth, although a ranula is often larger than other mucoceles (mainly because the overlying mucosa is thicker). [3]
Nasopharyngeal cyst refers to cystic swelling arising from midline and lateral wall of the nasopharynx. The commonest cyst arising from lateral wall is the nasopharyngeal branchial cyst, whereas the mucus retention cysts are the commonest to arise from the midline. [1] Sometimes nasopharyngeal cyst may directly refer to Tornwaldt cyst. [2]
Tornwaldt's disease is the inflammation or abscess of the embryonic cyst of pharyngeal bursa. It is located in the midline of the posterior wall of the nasopharynx. It is covered anteriorly by mucosa in the adenoid mass. It is bounded posteriorly by longus muscle. [1]
Vocal fold cysts (also known as vocal cord cysts) are benign masses of the membranous vocal folds. [1] These cysts are enclosed, sac-like structures that are typically of a yellow or white colour. [2] They occur unilaterally on the midpoint of the medial edge of the vocal folds. [1] They can also form on the upper/superior, surface of the vocal ...
Congenital cysts of the larynx with incidence of about 1.8 in 100,000 newborns. [1] Laryngeal cysts form 4% of all laryngeal tumors [6] or about 5% of benign laryngeal lesions. [10] Prevalence is about equal between the sexes. [11]
Brunsting–Perry cicatricial pemphigoid is a rare variant of mucous membrane pemphigoid involving the scalp and the neck without mucosal involvement. It is proposed by some authors that this be called a variant of epidermolysis bullosa acquisita. [6] [1] Nikolsky's sign (gentle lateral pressure) on unaffected mucosa or skin raises a bulla. If ...
Amongst individuals undergoing surgical resection of a pancreatic cyst, about 23 percent were mucinous cystic neoplasms. These lesions are benign, though there is a high rate of progression to cancer. As such, surgery should be pursued when feasible. The rate of malignancy present in MCN is about 10 percent. [1]