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Ultrasonic evaluation of cervical metastatic lymphadenopathy.
Author(s) -
Sakai F,
Kiyono K,
Sone S,
Kondo Y,
Oguchi M,
Watanabe T,
Sakai Y,
Imai Y,
Takeda S,
Yamamoto K
Publication year - 1988
Publication title -
journal of ultrasound in medicine
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.574
H-Index - 91
eISSN - 1550-9613
pISSN - 0278-4297
DOI - 10.7863/jum.1988.7.6.305
Subject(s) - medicine , echogenicity , lymph , ultrasonogram , lymph node , cervical lymph nodes , radiology , ultrasound , pathology , necrosis , ultrasonography , cancer , metastasis
We investigated the location, size, and shape of cervical lymph nodes in head and neck cancer, using a 7.5‐MHz ultrasound scanner. First, the different criteria for normal size were obtained for cervical lymph nodes in each region; lymph nodes greater than 9 mm in thickness in the internal jugular chain or greater than 7 mm in thickness in the submandibular and submental chains should be suspected of harboring metastatic foci. Second, metastatic nodes showed a more rounded configuration than nonmetastatic ones. Third, a comparative study of metastatic lymph nodes between the in vivo and in vitro ultrasonograms and the corresponding histopathological findings disclosed that an echogenic region in an ultrasonogram of a metastatic node was caused by coagulation necrosis, and a cystic area of liquefaction necrosis.