摘要
BACKGROUND: Parts of the neck lateral radiographs reveal radiopaque osseous signs behind the cervical spines. The signs have not yet been named consistently. We reviewed all the neck lateral radiographs (N = 507) (male 270, female 237) from 2007 to 2009 to look for the sign, which is common but not attention-getting.METHODS: Of the 507 radiographs, 16% (n=81)(male 55, female 26) were enrolled. The age of the patients ranged from 36 to 87, and averaged 56.5. We used the X^2 test (α = 0.05) to analyze the signs and their patterns between different clinical indications. Besides, the sign lengths were divided into three groups by tri-partition, and we also used the X^2 test (α = 0.05) to analyze the three length groups (1) between both genders, and (2) among the common-adults (18~49 years old), middle-agers (50~64 years old) and geriatrics (at least 65 years old).RESULTS: The patients with possible cervical vertigo, possible cervical spinal trauma and possible acute epiglottitis were excluded because of small sample (n = 12). Between those with possible esophageal foreign body and nuchal soreness, there was significant difference of signs existence (p ＜ 0.001), but not of signs patterns (p = 0.469). In addition, most sign positions were behind the 5th (45.1%) or 4th (35.2%) cervical vertebra. The lengths were from 0.4 to 5.6 cm, and averaged 2.0 cm. There was significant difference in the lengths between both genders (p = 0.016), but not among common-adults, middle-agers and geriatrics (p = 0.188). The most common sign patterns were rod-like (53.1%, 43 of 81); the second, segmented (24.7%, 20 of 81); and the third, round (22.2%, 18 of 81).CONCLUSION: The signs were only seen in adults, especially the middle-agers and geriatrics. They are more common in men than in women. Up to 34.2% of those with nuchal soreness have these signs. They are quite benign and are not mandatory to be excised for histological examination, as long as they show hyperdense, clear and welldefined margin on radiographs. They are of unknown pathophysiological mechanism and uncertain clinical symptom, and they are unable to confirm the origins from muscle, fascia or ligament, so they are preferable to be specially named as ”osseous signs of posterior neck”.
並列摘要
BACKGROUND: Parts of the neck lateral radiographs reveal radiopaque osseous signs behind the cervical spines. The signs have not yet been named consistently. We reviewed all the neck lateral radiographs (N = 507) (male 270, female 237) from 2007 to 2009 to look for the sign, which is common but not attention-getting.METHODS: Of the 507 radiographs, 16% (n=81)(male 55, female 26) were enrolled. The age of the patients ranged from 36 to 87, and averaged 56.5. We used the X^2 test (α = 0.05) to analyze the signs and their patterns between different clinical indications. Besides, the sign lengths were divided into three groups by tri-partition, and we also used the X^2 test (α = 0.05) to analyze the three length groups (1) between both genders, and (2) among the common-adults (18~49 years old), middle-agers (50~64 years old) and geriatrics (at least 65 years old).RESULTS: The patients with possible cervical vertigo, possible cervical spinal trauma and possible acute epiglottitis were excluded because of small sample (n = 12). Between those with possible esophageal foreign body and nuchal soreness, there was significant difference of signs existence (p ＜ 0.001), but not of signs patterns (p = 0.469). In addition, most sign positions were behind the 5th (45.1%) or 4th (35.2%) cervical vertebra. The lengths were from 0.4 to 5.6 cm, and averaged 2.0 cm. There was significant difference in the lengths between both genders (p = 0.016), but not among common-adults, middle-agers and geriatrics (p = 0.188). The most common sign patterns were rod-like (53.1%, 43 of 81); the second, segmented (24.7%, 20 of 81); and the third, round (22.2%, 18 of 81).CONCLUSION: The signs were only seen in adults, especially the middle-agers and geriatrics. They are more common in men than in women. Up to 34.2% of those with nuchal soreness have these signs. They are quite benign and are not mandatory to be excised for histological examination, as long as they show hyperdense, clear and welldefined margin on radiographs. They are of unknown pathophysiological mechanism and uncertain clinical symptom, and they are unable to confirm the origins from muscle, fascia or ligament, so they are preferable to be specially named as ”osseous signs of posterior neck”.
延伸閱讀
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