Absence of the right wing of the ilium generated a compensatory scoliosis in rhesus monkey in captivity: diagnostic imaging and its alteration on the <scp>SEPNT</scp>

Solís-Chávez, Salvador A.; Ibáñez-Contreras, Alejandra; Reyes-Pantoja, Sergio A.; Perdigón-Castañeda, Gerardo; Hernández-Godínez, Braulio

doi:10.1111/jmp.12076

Cited by 2 publications

(2 citation statements)

References 6 publications

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“…The study was carried out at the National Center for Medical Imaging and Instrumentation Research (CI3M), Universidad Autónoma Metropolitana—Unidad Iztapalapa. Experimental subjects were sedated with a dose of 4 mg/kg of tiletamine‐zolazepam and placed in a supine position with 90° arm abduction. Axial imaging was taken from the whole specimen, with the following acquisition parameters: potential difference of 120 kV, current of 118 mA, reconstruction diameter of 359 mm, matrix of 512 × 512, slide thickness of 0.6 mm, voxel resolution of 0.77 × 0.77 × 0.6 mm, distance from the source to the patient of 570 mm, and 2 min approximately for total acquisition depending on the subject's length.…”

Section: Methodsmentioning

confidence: 99%

Computed tomography is a feasible method for quantifying bone density in Macaca mulatta

Solís-Chávez

Castillo-Rivera

Arteaga-Silva

et al. 2018

Vet Radiology Ultrasound

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Osteopathologies are a result of advanced age and decreased bone density and represent a global health problem. It is therefore important to generate models for longitudinal studies of the pathophysiology in order to improve early diagnosis and develop preventive therapies. For this kind of research, the use of computed tomography (CT) to evaluate bone health offers advantages over other techniques since it provides more complete information. The aim of this prospective, pilot study was to obtain measurements of the left femur from a population in captivity of 32 rhesus monkeys (Macaca mulatta) in order to standardize the model for future research. Healthy subjects from 5 to 28 years old were chosen. Three groups with different ages were formed as follows: (1) 5-9 years, (2) 10-19 years, and (3) 20-28 years. Semi-automatic segmentation by threshold defined the regions of interest, which were subdivided in the range of 300-700 Hounsfield units (HU) for trabecular bone and >700 HU for cortical bone. Then, the proportional ratios of the volumes of trabecular bone and cortical bone were obtained. Significant differences (analysis of variance test) in the averages of Hounsfield units, cortical, and trabecular bone proportions from each age group proved that a decrease in bone density begins at approximately 20 years of age. The values presented here, as well as the method to obtain them from CT scans, can be used as a baseline in a primate model for long-term research in bone pathology diagnosis and treatment.

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Section: Methodsmentioning

confidence: 99%

Computed tomography is a feasible method for quantifying bone density in Macaca mulatta

Solís-Chávez

Castillo-Rivera

Arteaga-Silva

et al. 2018

Vet Radiology Ultrasound

Self Cite

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“…Scoliosis in non‐human primates is rare; published cases involve captive primates and congenital scoliosis. No examples of scoliosis in wild bonobos ( Pan paniscus ) have been reported.…”

Section: Introductionmentioning

confidence: 99%

Case study: Scoliosis in a Bonobo (Pan paniscus)

Lloyd

Kirchhoff

2017

J of Medical Primatology

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Absence of the right wing of the ilium generated a compensatory scoliosis in rhesus monkey in captivity: diagnostic imaging and its alteration on the SEPNT

Abstract: There is no doubt that the concurrent use of different diagnostic tools complements knowledge regarding the physiopathogenesis of these osteopathologies.

Cited by 2 publications

References 6 publications

Computed tomography is a feasible method for quantifying bone density in Macaca mulatta

Computed tomography is a feasible method for quantifying bone density in Macaca mulatta

Case study: Scoliosis in a Bonobo (Pan paniscus)

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