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Anatomical observations on os inca and associated cranial deformities

100%

Das S., Suri R., Kapur V.

Folia Morphologica

2005

tom 64

nr 2

118-121

The present study describes the presence of os inca, incomplete metopic suture with asymmetrical frontal sinuses and multiple sutural deformities in a skull bone. Os inca has been reported to be associated with other cranial deformities. However, the present study, besides reporting os inca and associated sutural abnormalities, also highlights the presence of an unusual pterion in such cases. The aim is to provide anatomical insight into the morphology of sutures, frontal sinuses and associated cranial abnormalities. These are important findings which may be relevant for surgeons and radiologists in clinical practice.

An unreported variation of the cervical vagus nerve: anatomical and histological observations

84%

Tubbs R. S., Loukas M., Shoja M. M., Blevins D., Humphrey R., Chua G. D., Kelly D. R., Oakes W. J.

Folia Morphologica

2007

tom 66

nr 2

Variations involving the cervical portion of the vagus nerve are seemingly very rare. We report an adult male found to harbour a right cervical vagus nerve that crossed anterior to the right common carotid artery to terminate in the lateral aspect of the thyroid gland. A very small continuation of this nerve was found to continue distally into the thorax. Histologically, this part of the vagus nerve did not contain ganglion or other cell bodies. There were no heterologous inclusions (thyroid, parathyroid, thymus, salivary gland or branchial cleft remnants) present. Although grossly there was a connection into the thyroid gland, this was not observed histologically. No signs of trauma were found to the ipsilateral neck region. We hypothesise that this variation is due to entanglement between the thyroid gland and cervical vagus nerve during development. This rare variation might be considered by the clinician who operates in the cervical region or interprets imaging of the neck. To our knowledge, a vagus nerve with the above described morphology has not been described.

Ograniczanie wyników

2 Folia Morphologica

1 Blevins D.

1 Chua G. D.

1 Das S.

1 Humphrey R.

1 Kapur V.

1 Kelly D. R.

1 Loukas M.

1 Oakes W. J.

1 Shoja M. M.

1 Suri R.

1 Tubbs R. S.

1 2007

1 2005

Wyniki wyszukiwania

Anatomical observations on os inca and associated cranial deformities

An unreported variation of the cervical vagus nerve: anatomical and histological observations