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The location of the infraorbital foramen in human skulls, to be used as new anthropometric landmarks as a useful method for maxillofacial surgery

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Przygocka A. , Podgorski M. , Jedrzejewski K. , Topol M. , Polguj M.

Folia Morphologica

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2012

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tom 71

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nr 3

EN

Background: The aim of the study was to determine the localisation of the infraorbital foramen in relation to chosen anthropometric landmarks as novel reference points: nasion, rhinion, and frontomalare orbitale, and to verify their symmetry. Material and methods: Sixty-four sides of thirty-two human skulls were investigated. The distances between the infraorbital foramina and nasion, rhinion, and frontomalare orbitale, and the distances between two contralateral infraorbital foramens were measured. The symmetry was analysed and statistical analysis was performed. Results: The mean distance and standard deviation (mean ± SD) between the right infraorbital foramen and the nasion, rhinion, and right frontomalare orbitale were 45.23 ± 3.20 mm, 39.84 ± 1.72 mm, and 36.28 ± 1.50 mm, respectively, and between the left infraorbital foramen and the nasion, rhinion, and left frontomalare orbitale were 44.38 ± 2.76 mm, 38.88 ± 2.01 mm, and 36.31 ± 2.19 mm, respectively. Conclusions: The results presented in this study may be particularly helpful for surgery in patients with oedema of the infraorbital region when the other landmarks are difficult to localise. (Folia Morphol 2012; 71, 3: 198–204)

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Variations in the topography of the infraorbital canal/groove complex: a proposal for classification and its potential usefulness in orbital floor surgery

86%

Przygocka A. , Szymanski J. , Jakubczyk E. , Jedrzejewski K. , Topol M. , Polguj M.

Folia Morphologica

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2013

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tom 72

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nr 4

EN

Background: The aim of the study was to precisely describe and classify the infraorbital canal/groove (IOC/G) complex in dry human skulls and to evaluate the presence of asymmetry in the IOC/G complex. Materials and methods: Seventy orbits of 35 human skulls were investigated. The following distances were measured: the distance between the posterior and anterior margin of the infraorbital groove (S-C); the posterior margin of the infraorbital canal and the infraorbital foramen (C-IOF); and the total length of the infraorbital canal-groove complex (S-C-IOF). The symmetry of the contralateral measurements was analysed. Results: Three types of the IOC/G complex were distinguished: types I, II, III, whose respective incidences were 11.4%, 68.6%, 20.0%. The mean length of the infraorbital groove plus canal complex on the right and left with standard deviation were 27.78 ± 3.69 mm and 28.06 ± 3.37 mm, respectively. Conclusions: The results presented in this study may be particularly helpful for surgery in patients with blow-out fractures and different endoscopic and reconstructive procedures in the region of the inferior orbital wall. The type III IOC/G complex, according to our classification, seems the most likely to be exposed to trauma during surgical manipulations. (Folia Morphol 2013; 72, 4: 311–317)

3

Infraorbital groove localisation for the endoscopic decompression of the orbit in Graves’ disease

86%

Przygocka A. , Jedrzejewski K. , Szymanski J. , Wysiadecki G. , Topol M. , Polguj M.

Folia Morphologica

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2015

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tom 74

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nr 1

EN

Background: The aim of our study was to determine the localisation of the inferior margin of the optic canal in relation to the infraorbital canal/groove complex (IOC/G complex) and zygomaticoorbitale (ZO) as the potential useful landmarks for reducing dangerous complications following surgical and invasive procedures. Materials and methods: Sixty-four orbits of thirty-two human skulls were investigated. The distances between: the inferior margin of the optic canal and the posterior margin of the infraorbital groove measured at its medial border (OC-S); the inferior margin of the optic canal and the posterior margin of the roof of the infraorbital canal (OC-C); the inferior margin of the optic canal and the zygomaticoorbitale (OC-ZO) — were measured. The left/ /right symmetry ratio and the asymmetry index were counted. The symmetry between the contralateral measurements was analysed and statistical analysis was performed. Results: On the right side the mean distance from the inferior margin of the optic canal to: the posterior margin of the infraorbital groove measured at its medial border; to the posterior margin of the roof of the infraorbital canal; and to the zygomaticoorbitale were: 23.41 ± 3.10 mm; 34.44 ± 5.30 mm; and 47.53 ± 4.13 mm, respectively. On the left side the mean distance from the inferior margin of the optic canal to: the posterior margin of the infraorbital groove measured at its medial border; to the posterior margin of the roof of the infraorbital canal; to the zygomaticoorbitale were 23.69 ± 2.80 mm; 36.75 ± 5.10 mm; 46.84 ± 3.24 mm, respectively. Conclusions: The presented measurements may be particularly helpful for endoscopic decompression in patients with the thyroid ophthalmopathy to avoid the complications. (Folia Morphol 2015; 74, 1: 78–83)