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This study examined the signal intensity of the facial nerve on T1-weighted images using the multiplanar reconstruction (MPR) method of the high-resolution magnetic resonance imaging technique. The facial nerves of 12 sides in 6 normal adults were consecutively observed from the mastoid area to the intraparotid area. Results indicated that facial nerves showed similar or relatively high signal intensity compared with the intensity of the parotid parenchyma. Although previous studies have indicated that the intraparotid facial nerve had a low signal intensity, facial nerves were probably confused with the intraparotid ductal system or vessels which show low signal intensity on T1-weighted images or with low signal lines due to chemical artifacts. All facial nerve trunks were clearly identified; however, 33% (4/12) of second branches of the nerves shifted or curved too strongly to be detected in the parotid parenchyma with this method.
H Iwai, and
K Ikeda, and
A Yoshikawa, and
T Fujisawa, and
K Takemura, and
K Tomoda, and
H Isoda, and
T Yamashita
June 2004,
Neurorehabilitation and neural repair,
H Iwai, and
K Ikeda, and
A Yoshikawa, and
T Fujisawa, and
K Takemura, and
K Tomoda, and
H Isoda, and
T Yamashita
September 1989,
Otolaryngology--head and neck surgery : official journal of American Academy of Otolaryngology-Head and Neck Surgery,
H Iwai, and
K Ikeda, and
A Yoshikawa, and
T Fujisawa, and
K Takemura, and
K Tomoda, and
H Isoda, and
T Yamashita
September 1999,
Acta dermato-venereologica,
H Iwai, and
K Ikeda, and
A Yoshikawa, and
T Fujisawa, and
K Takemura, and
K Tomoda, and
H Isoda, and
T Yamashita
January 1986,
Magnetic resonance annual,
H Iwai, and
K Ikeda, and
A Yoshikawa, and
T Fujisawa, and
K Takemura, and
K Tomoda, and
H Isoda, and
T Yamashita
October 2009,
The Laryngoscope,
H Iwai, and
K Ikeda, and
A Yoshikawa, and
T Fujisawa, and
K Takemura, and
K Tomoda, and
H Isoda, and
T Yamashita
January 1991,
The Laryngoscope,
H Iwai, and
K Ikeda, and
A Yoshikawa, and
T Fujisawa, and
K Takemura, and
K Tomoda, and
H Isoda, and
T Yamashita
December 2009,
The Laryngoscope,
H Iwai, and
K Ikeda, and
A Yoshikawa, and
T Fujisawa, and
K Takemura, and
K Tomoda, and
H Isoda, and
T Yamashita
August 2017,
The neuroradiology journal,
H Iwai, and
K Ikeda, and
A Yoshikawa, and
T Fujisawa, and
K Takemura, and
K Tomoda, and
H Isoda, and
T Yamashita
August 1998,
Magma (New York, N.Y.),
H Iwai, and
K Ikeda, and
A Yoshikawa, and
T Fujisawa, and
K Takemura, and
K Tomoda, and
H Isoda, and
T Yamashita
January 1997,
Studies in health technology and informatics,
