Eyelids, Eye, and Orbit

Prpich, Cassandra Y.; Lascelles, B. Duncan X.; Davidson, Michael

doi:10.1002/9781119089124.ch12

Cited by 3 publications

(2 citation statements)

References 30 publications

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“…17 In Case 8, it was essential to maintain and reconstruct the structure and function of the eyelid with resection of an eyelid mass, as damage to the cornea may occur if the structure and function of the eyelid are impaired. 18 Reduced surgical doses may be selected to avoid the concerns described above in these anatomical locations; however, 25% of MCT PG-II cases result in incomplete excision with a 1-cm margin. 2 Moreover, MCT PG-III requires margins at least as long as the tumour diameter and as wide as possible.…”

Section: Discussionmentioning

confidence: 99%

“…It is challenging to select radical surgery for MCTs located in the muzzle because of their more locally invasive nature than other sites, anatomic difficulty in achieving complete excision and concerns regarding postoperative complications and cosmetics 17 . In Case 8, it was essential to maintain and reconstruct the structure and function of the eyelid with resection of an eyelid mass, as damage to the cornea may occur if the structure and function of the eyelid are impaired 18 . Reduced surgical doses may be selected to avoid the concerns described above in these anatomical locations; however, 25% of MCT PG‐II cases result in incomplete excision with a 1‐cm margin 2 .…”

Section: Discussionmentioning

confidence: 99%

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Clinical evaluation of neoadjuvant tyrosine kinase inhibitor administration for mast cell tumours in eight dogs

Kanai

Sato

Yamauchi

et al. 2023

Vet Record Case Reports

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Complete surgical removal of tumour cells is the first‐line treatment for canine cutaneous mast cell tumours. Surgical removal of mast cell tumours sometimes requires radical surgery. This may cause severe complications, loss of biological function or poor cosmetic outcomes. This report describes the clinical outcomes of preoperative administration of an effective tyrosine kinase inhibitor for mast cell tumours. Five of eight cases responded to tyrosine kinase inhibitors; complete removal was possible in three cases with narrower (<1 cm) surgical margins than the conventional tumour margin estimated from the original tumour size. Mast cell tumours may not require wide resection if they are responsive to tyrosine kinase inhibitors before surgical removal. Preoperative administration of tyrosine kinase inhibitors could be a treatment option for dogs that have difficulty with complete removal causing severe surgical complications, or for owners who do not accept loss of biological function or poor cosmetic outcomes.

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Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

Clinical evaluation of neoadjuvant tyrosine kinase inhibitor administration for mast cell tumours in eight dogs

Kanai

Sato

Yamauchi

et al. 2023

Vet Record Case Reports

View full text Add to dashboard Cite

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Analysis of the approach angle to medial orbitotomy that avoids accidental neurotrauma in the mesaticephalic dog skull utilizing 3D computer models and virtual surgical planning

Congiusta

Soukup

2023

Front. Vet. Sci.

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This study was conducted to determine an approach angle to medial orbitotomy that avoids accidental neurotrauma in mesaticephalic dogs. Medical records of dogs with mesaticephalic skulls that were presented to the veterinary medical teaching hospital for head computed tomography (CT) between September 2021 and February 2022 were reviewed. Descriptive data were queried, and CT findings were analyzed. Dogs greater than 20 kg and possessing a disease-free orbitozygomaticomaxillary complex (OZMC) on at least one side of the skull were included in this study. Digital imaging and communications in medicine (DICOM) files of head CT studies were imported into medical modeling software, and the safe approach angle for medial orbitotomy was determined using three-dimensional (3D) computer models and virtual surgical planning (VSP) principles. Angles were measured along the ventral orbital crest (VOC) from the rostral cranial fossa (RCF) to the rostral alar foramen (RAF). The safe approach angle at four points from rostral to caudal along the VOC was measured. The results at each location were reported as mean, median, 95% CI, interquartile ranges, and distribution. The results were statistically different at each location and generally increased from rostral to caudal. The variances between subjects and the differences between locations were large enough to suggest a standard safe approach angle in mesaticephalic dogs cannot be determined and should be measured for each patient. A standardized approach angle to medial orbitotomy is not possible in the mesaticephalic dog. Computer modeling and VSP principles should be implemented as part of the surgical planning process to accurately measure the safe approach angle along the VOC.

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Advanced Design and Implementation of a Biomimetic Humanoid Robotic Head Based on Vietnamese Anthropometry

Minh Trieu,

Thinh

2024

Biomimetics

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In today’s society, robots are increasingly being developed and playing an important role in many fields of industry. Combined with advances in artificial intelligence, sensors, and design principles, these robots are becoming smarter, more flexible, and especially capable of interacting more naturally with humans. In that context, a comprehensive humanoid robot with human-like actions and emotions has been designed to move flexibly like a human, performing movements to simulate the movements of the human neck and head so that the robot can interact with the surrounding environment. The mechanical design of the emotional humanoid robot head focuses on the natural and flexible movement of human electric motors, including flexible suitable connections, precise motors, and feedback signals. The feedback control parts, such as the neck, eyes, eyebrows, and mouth, are especially combined with artificial skin to create a human-like appearance. This study aims to contribute to the field of biomimetic humanoid robotics by developing a comprehensive design for a humanoid robot head with human-like actions and emotions, as well as evaluating the effectiveness of the motor and feedback control system in simulating human behavior and emotional expression, thereby enhancing natural interaction between robots and humans. Experimental results from the survey showed that the behavioral simulation rate reached 94.72%, and the emotional expression rate was 91.50%.

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Eyelids, Eye, and Orbit

Cited by 3 publications

References 30 publications

Clinical evaluation of neoadjuvant tyrosine kinase inhibitor administration for mast cell tumours in eight dogs

Clinical evaluation of neoadjuvant tyrosine kinase inhibitor administration for mast cell tumours in eight dogs

Analysis of the approach angle to medial orbitotomy that avoids accidental neurotrauma in the mesaticephalic dog skull utilizing 3D computer models and virtual surgical planning

Advanced Design and Implementation of a Biomimetic Humanoid Robotic Head Based on Vietnamese Anthropometry

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