1999
DOI: 10.1038/sj.bjc.6690229
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Cystic lymph node metastases of squamous cell carcinoma of Waldeyer’s ring origin

Abstract: Carcinomas of the oro/nasopharynx often present with regional lymph node (LN) metastases before the primary tumour is discovered. Some of the cervical LN metastases feature prominent cyst formation. Solitary cystic LN metastases have often been mistaken for primary squamous cell carcinomas (SCC) originating within a branchiogenic lateral neck cyst (LNC), resulting in the commonly used terms 'branchioma' and 'branchiogenic carcinoma ' (von Volkmann, 1882;Wolff et al, 1979;Khafif et al, 1989;Parks and Karmody, 1… Show more

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Cited by 80 publications
(79 citation statements)
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“…215,221 A cystic metastasis of a poorly differentiated, nonkeratinizing carcinoma recapitulating the tonsillar crypt epithelium most likely originates in the lingual or faucial tonsil. 37,205 A subset of these crypt carcinomas, however, express CK7, especially those with basaloid features, and often are located at the base of the tongue. 222 Cystic metastases from the tonsils are often unicystic, whereas those from the base of the tongue are more often multicystic.…”
Section: Miscellaneous Lesionsmentioning
confidence: 99%
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“…215,221 A cystic metastasis of a poorly differentiated, nonkeratinizing carcinoma recapitulating the tonsillar crypt epithelium most likely originates in the lingual or faucial tonsil. 37,205 A subset of these crypt carcinomas, however, express CK7, especially those with basaloid features, and often are located at the base of the tongue. 222 Cystic metastases from the tonsils are often unicystic, whereas those from the base of the tongue are more often multicystic.…”
Section: Miscellaneous Lesionsmentioning
confidence: 99%
“…The gross appearance of a metastasis is important only when it occurs in a cystic node because we know that the primary tumor source of most cystic metastatic squamous carcinomas is the palatine tonsils or Waldeyer's ring. 36,187,205 The other primary tumor source of cystic metastatic carcinoma, which often has a hemorrhagic gross appearance, is papillary thyroid carcinoma. 206 Metastatic deposits may adopt a multitude of appearances, from the solid white-gray to yellow hemorrhagic deposits of renal cell carcinoma to the deeply pigmented focus of metastatic melanoma.…”
Section: Miscellaneous Lesionsmentioning
confidence: 99%
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“…[8][9][10] The tonsil is unique in its ability to conceal a carcinoma deep within a crypt or beneath the mucosa, resulting is negative biopsies and sampling error, yet it is amenable to complete resection. Routine tonsillectomy in treatment of unknown primary SCCA is debated in the literature.…”
Section: Unknown Primarymentioning
confidence: 99%
“…Detection of HPV in cervical lymph nodes of patients with an occult primary may be used to localize the primary within the oropharynx, with a high degree of certainty [9,10]. The incidence of cystic lymph nodes arising from metastatic SCC of Waldeyer's ring has been reported to be as high as 33-50% [11]. …”
Section: Introductionmentioning
confidence: 99%