Items tagged “parotid”

29 results found
Article

Benign lymphoepithelial lesions

Benign lymphoepithelial lesions (BLL or BLEL), also misleadingly known as AIDS-related parotid cysts (ARPC), are mixed solid and cystic lesions that enlarge the parotid glands, and are usually associated with cervical lymph node enlargement, and nasopharyngeal lymphofollicular hyperplasia. Term...
Article

Pleomorphic adenoma of the salivary glands

Pleomorphic adenomas of the salivary glands, also known as benign mixed tumors (see below), are the most common salivary gland tumors. The salivary glands are the most common site of pleomorphic adenomas. On imaging, they commonly present as well-circumscribed rounded masses, most commonly loca...
Article

Salivary gland tumors

Salivary gland tumors are variable in location, origin, and malignant potential.  Pathology In general, the ratio of benign to malignant tumors is proportional to the gland size; i.e. the parotid gland tends to have benign neoplasms, the submandibular gland 50:50, and the sublingual glands and...
Article

Warthin tumor

Warthin tumors, also known as lymphomatous papillary cystadenomas, are benign, sharply demarcated salivary gland tumors, almost exclusively encountered in the parotid gland. They are of lymphoid origin and may be bilateral or multifocal in up to 20% of cases and are the most common neoplastic ca...
Case

Parotid mucoepidermoid carcinoma

  Diagnosis almost certain
Frank Gaillard
Published 08 Aug 2008
65% complete
CT
Case

Pleomorphic adenoma - large recurrence

  Diagnosis almost certain
Frank Gaillard
Published 27 Feb 2009
62% complete
CT MRI
Case

Parotid lipoma

  Diagnosis almost certain
Hani Makky Al Salam
Published 14 Feb 2010
74% complete
Ultrasound CT
Case

Pleomorphic adenoma

  Diagnosis certain
Hani Makky Al Salam
Published 05 Mar 2010
83% complete
CT
Article

Acinic cell carcinoma (salivary glands)

Acinic cell carcinomas of the salivary glands are rare malignant neoplasms that account for 1-3% of all salivary gland tumors.  Pathology Pathology may superficially resemble normal serous (acinar) cells of the salivary glands. It is considered a low-grade, indolent malignancy, but with a tend...
Article

Carcinoma ex pleomorphic adenoma

Carcinoma ex pleomorphic adenoma is the most common of three malignant mixed tumors of salivary glands, and are thought to arise from pre-existing pleomorphic adenomas (historically also called benign mixed tumors, but see below) 1,3. Epidemiology These tumors usually occur in older patients (...
Article

Malignant mixed tumors of salivary glands

Malignant mixed tumors of salivary glands, according to the WHO classification, comprise three tumors: carcinoma ex pleomorphic adenoma arises from pre-existing pleomorphic adenoma most common carcinosarcoma (true mixed tumor of the salivary glands) true malignant mixed tumor 99% also aris...
Article

Major salivary gland cancer (staging)

Major salivary gland cancer staging refers to TNM staging of malignant tumors of the major salivary glands (parotid, submandibular, and sublingual glands). In contrast, tumors arising from minor salivary glands are staged according to their site of origin. The following article reflects the 8th ...
Case

Parotid lymphoepithelial cyst

  Diagnosis certain
Frank Gaillard
Published 22 Apr 2010
77% complete
CT
Case

Pleomorphic adenoma in stylomandibular tunnel

  Diagnosis probable
Frank Gaillard
Published 12 May 2010
50% complete
CT
Article

Parotid gland enlargement

Parotid gland enlargement (also known as parotidomegaly) has a wide differential given the significant breadth of pathology that can affect the parotid gland. These can be separated by a standard surgical sieve approach into infective, inflammatory, immune, neoplastic, infiltrative, and congenit...
Case

Sialolithiasis

  Diagnosis certain
The Radswiki
Published 20 Oct 2010
64% complete
CT Annotated image
Case

Acute parotitis

  Diagnosis probable
Tim Yates
Published 04 Mar 2011
68% complete
CT
Case

Pleomorphic adenoma

  Diagnosis probable
David Cuete
Published 21 Apr 2013
64% complete
CT
Case

Carcinoma ex-pleomorphic adenoma of parotid

  Diagnosis certain
H&N spaces
Published 27 Mar 2014
88% complete
MRI
Case

Acinic cell carcinoma of the parotid gland

  Diagnosis certain
Matt A. Morgan
Published 02 Dec 2014
98% complete
CT MRI Ultrasound