• Title/Summary/Keyword: Clinical anatomy

검색결과 612건 처리시간 0.026초

The clinical anatomy of the accessory submandibular gland: a comprehensive review

  • Andrea Yazbeck;Joe Iwanaga;Jerzy A. Walocha;Lukasz Olewnik;R. Shane Tubbs
    • Anatomy and Cell Biology
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    • 제56권1호
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    • pp.9-15
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    • 2023
  • An accessory submandibular gland is a rare variation. As such, there is limited literature regarding the embryology, anatomy, variations, clinical imaging, and pathology of the accessory submandibular gland. In this article, we review the existing literature on the accessory submandibular gland from clinical and anatomical perspectives. The goal of this review is to provide comprehensive knowledge of this variation which can be useful for oral and maxillofacial/head and neck surgeons, radiologists, and anatomists. Within this review, the embryologic origin as well as the anatomy of the accessory submandibular gland is detailed. Several imaging modalities which can be used to visualize the accessory submandibular gland are outlined as well as its variations. Lastly, this review investigates several reported clinical considerations regarding the accessory submandibular gland including sialoliths, Wharton's duct obstruction, and pleomorphic adenoma.

Pectorobrachioepicondylaris musculoaponeurotic band: case description with evidence of median nerve compression

  • Ana Carrera;Arada Chaiyamoon;Francisco Reina;Joe Iwanaga;Aida Cateura;Miguel Angel Reina;Jose Ramon Sanudo;R. Shane Tubbs
    • Anatomy and Cell Biology
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    • 제56권2호
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    • pp.280-284
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    • 2023
  • Upper limb muscle variations can be encountered on imaging or at surgery. We report an unusual muscle and band found during routine dissection of the arm in a cadaver. This case is described and salient literature reviewed. A band was found that traveled from the insertion of the pectoralis major tendon distally and obliquely toward the medial intermuscular septum and medical epicondyle. Fibers of the brachialis were found to interdigitate into the band. A tunnel was formed that carried the median nerve and brachial vessels. Evidence of median nerve compression was observed. We considered this an example of a pectorobrachioepicondylaris muscle. However, some can lead to clinical presentations. Although the significance of the case reported herein is not certain, signs of median nerve compression were identified. We believe that the term pectorobrachioepicondylaris bests describes the muscle reported herein and that our case represents a previously unreported variant of this muscle.

Coconut Oil Extract Mitigates Testicular Injury Following Adjuvant Treatment with Antiretroviral Drugs

  • Ogedengbe, Oluwatosin O;Jegede, Ayoola I;Onanuga, Ismail O;Offor, Ugochukwu;Naidu, Edwin CS;Peter, Aniekan I;Azu, Onyemaechi O
    • Toxicological Research
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    • 제32권4호
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    • pp.317-325
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    • 2016
  • Increased access to highly active antiretroviral therapy (HAART) has made the management of drug toxicities an increasingly crucial component of HIV. This study investigated the effects of adjuvant use of coconut oil and HAART on testicular morphology and seminal parameters in Sprague-Dawley rats. Twelve adult male Sprague-Dawley rats, weighing 153~169 g were distributed into four groups (A-D) and treated as follows: A served as control (distilled water); B (HAART cocktail-Zidovudine, Lamivudine and Nevirapine); C (HAART + Virgin coconut oil 10 mL/kg) and D (Virgin coconut oil 10 mL/kg). After 56 days of treatment, animals were killed and laparotomy to exercise the epididymis for seminal fluid analyses done whilst testicular tissues were processed for histo-morphometric studies. Result showed a significant decline in sperm motility (P < 0.05) and count (P < 0.0001) in HAART-treated animals while there was insignificant changes in other parameters in groups C and D except count that was reduced (P < 0.0001) when compared with controls. Histomorphological studies showed HAART caused disorders in seminiferous tubular architecture with significant (P < 0.01) decline in epithelial height closely mirrored by extensive reticulin framework and positive PAS cells. Adjuvant Virgin coconut oil + HAART resulted in significant decrease in seminiferous tubular diameter (P < 0.05), but other morphometric and histological parameters were similar to control or Virgin coconut oil alone (which showed normal histoarchitecture levels). While derangements in testicular and seminal fluid parameters occurred following HAART, adjuvant treatment with Virgin coconut oil restored the distortions emanating thereof.

Encountering Peritoneo-Cutaneous Perforators in Microsurgical DIEP Flap Breast Reconstruction

  • Duncan Loi;Justin L. Easton;Warren M. Rozen
    • Archives of Plastic Surgery
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    • 제50권2호
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    • pp.153-155
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    • 2023
  • The vascular anatomy of the deep inferior epigastric artery perforator (DIEP) flap has been well studied in the planning for autologous breast reconstruction. Preoperative imaging with computed tomography angiography (CTA) provides accurate assessment of this vascular anatomy, which varies widely across patients. Several papers to date have described their encounter with an anomalous "epiperitoneal" or "peritoneo-cutaneous" perforator during flap harvest, a perforator that pierces the posterior rectus sheath from a peritoneal origin, to traverse rectus abdominis and supply the DIEP flap integument. In the course of over 3,000 CTA assessments of the vascular anatomy of the abdominal wall, we have encountered dominant peritoneo-cutaneous perforators in 1% of cases, and smaller perforators seen in many more cases, approaching 5% of cases. With increasing sensitivity of imaging, we also describe a unique case of multiple large bilateral peritoneo-cutaneous perforators, and present these findings in the context of DIEP flap harvest. It is critical to recognize these peritoneo-cutaneous perforators preoperatively to avoid mistaking them for a DIEP during the raising of a DIEP flap. The routine use of preoperative CTA enables the safe identification of individual vascular anatomy, including significant peritoneo-cutaneous perforators.

Histology and immunohistochemistry of the human carotid sinus nerve

  • Davin Bryant;Erin McCormack;Juan J. Cardona;Arada Chaiyamoon;Devendra Shekhawat;Francisco Reina;Ana Carrera;Joe Iwanaga;Aaron S. Dumont;R. Shane Tubbs
    • Anatomy and Cell Biology
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    • 제56권4호
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    • pp.463-468
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    • 2023
  • The carotid sinus nerve (CSN) is well known as mediating baroreflexes. However, studies of its detailed histological analysis are scant in the literature. Therefore, the current anatomical study sought to better elucidate the microanatomy of the CSN. Ten fresh frozen adult cadavers underwent dissection of the CSN. Then, it was harvested and submitted for histological and immunohistochemical staining. Specimens were all shown to be nerve fibers on histology and immunohistochemistry. We identified tyrosine hydroxylase positive fibers in all CSN specimens. These fibers were always found to be within the CSN and not on its surface i.e., epineurium. Based on our findings, the majority of fibers contained in the CSN are tyrosine positive in nature. Further studies are necessary to understand the true function of this autonomic nerve fibers.

물리치료 임상 실무에서 필요로 하는 해부$\cdot$생리 내용에 대한 연구 (A Study on the Fields of Anatomy and Physiology Important in Clinical Practice of Physical Therapy)

  • 김현주
    • The Journal of Korean Physical Therapy
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    • 제14권2호
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    • pp.86-97
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    • 2002
  • To evaluate the fields of human anatomy and physiology important in clinical practice of physical therapy, a questionnaire survey was performed for 70 physical therapists who were practicing in general hospitals, clinics, public health centers, and rehabilitation centers in several provinces including Seoul and Chungcheongdo. Fields of anatomy and physiology were divided into 13 chapters and subdivided into 52 items. And the preferred ranks were statistically analysed according to the career of physical therapists, nature of the institute and the post of duty. As results joint system, muscular system, skeletal system and nervous system were ranked in the fields of great importance. The relative importance of practical knowledge in anatomy and physiology should be considered in educating students as well as reeducation of practitioners.

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The first report of the buckled thyroid cartilage in a human cadaver

  • Craig Ballard;Joe Iwanaga;Eva Maranillo;Jose Sanudo;Aaron S. Dumont;R. Shane Tubbs
    • Anatomy and Cell Biology
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    • 제56권2호
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    • pp.268-270
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    • 2023
  • We present the first case of buckled thyroid cartilage identified in a human cadaver. This rare anatomical variant, in patients, often produces dysphonia and is a potential source for diagnostic confusion. In the cadaveric case described, the laryngeal prominence is deviated to the left without deviation of the internal structures of the larynx, such as vocal folds and vocalis muscles. The medical history of the patient is not known. Finally, a review of current literature on the buckled thyroid cartilage is presented. Such a case represents a rare opportunity to visualize this deformity via anatomical dissection.

Anatomical variations of the tibial nerve and their clinical correlation

  • Anita Soraya Soetoko;Dina Fatmawati
    • Anatomy and Cell Biology
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    • 제56권4호
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    • pp.415-420
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    • 2023
  • The tibial nerve is a branch of the sciatic nerve, which innervates the legs and feet. Anatomical variations of this nerve at the ankle are commonly found. The variation of the tibial nerve in its branching point and cross-sectional area (CSA) at the ankle is commonly related to clinical condition such as foot neuropathy. Knowledge of these variations can support the clinician in making appropriate clinical decisions. This review aims at providing knowledge on the anatomical variations of tibial nerve at ankle, as well as its clinical correlation. This review outlined the variation of the terminal branching point and CSA of the tibial nerve at the ankle in cadaveric and clinical studies.