Athikhun SuwannakhanMahidol University | MU · Department of Anatomy (Science)
Athikhun Suwannakhan
PhD
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46
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Publications (46)
Study Design: Retrospective cohort study.Purpose: This study aimed to explore the morphometry of the Thai lumbar vertebrae.Overview of Literature: The cortical bone trajectory (CBT) is a novel approach for vertebral screw fixation aimed at addressing spinal instability associated with spinal disorders. The morphometry of the lumbar vertebrae is cru...
Although betulinic acid (BA) has been shown to attenuate breast cancer cell lines, owing to its interaction with several signaling molecules; its potential interaction with estrogen receptors (ERs) and p53 is not fully understood. Hence, we aimed to investigate the anti-cancer effect of BA on breast cancer cells, focusing on its molecular mechanism...
Purpose
The main purpose of this study was to investigate the dimensions of cerebral arteries in the Thai population using digital subtraction angiography (DSA), with a focus on the anterior cerebral artery (ACA), middle cerebral artery (MCA), and posterior cerebral artery (PCA). The research aimed to explore anatomical variations in diameters and...
Purpose
To systematically review published studies on the prevalence of the thyroid foramen (TF), perform a meta-analysis to generate pooled prevalence estimates, and identify factors associated with its presence.
Methods
A systematic literature search was conducted in Google Scholar, PubMed, and Journal Storage databases. Studies reporting the pr...
Background
The xiphoid process (XP) in animals such as sheep and rats are well known to have cartilage called xiphoidal cartilage (XC). In humans, the cartilage in the xiphoid process is considered an anatomical variant and is not well understood. The aim of this study was to investigate the morphology of the XP.
Methods
A total of twenty embalmed...
Purpose
A deep knowledge of the variations of the posterior forearm musculature is crucial for assessing and diagnosing conditions in this region. Extensor indicis (EI) is one of the muscles in this region, which exhibits diverse anatomical variations. This report documents an extremely unusual form of the EI with an accessory head on the dorsum of...
Purpose
Ossification of the mamillo-accessory ligament (MAL) results in the formation of a mamillo-accessory foramen (MAF), which is associated with aging. The MAL tethers the medial branches of the lumbar dorsal rami to the lumbar vertebrae. A MAL ossified at the lumbar vertebrae can cause low back pain by compressing the medial branch of a dorsal...
Background: Since the advent of antiretroviral therapy, HIV infection, which was once considered a life-threatening condition, can now be managed as a chronic disease. People infected with HIV have high prevalence rates of comorbid illnesses, including cardiovascular diseases, cancers, diabetes, dyslipidemia, chronic renal disease, and chronic live...
In this report, atlantooccipital assimilation (AS), anterior arch defect (AAD), and posterior arch defect (PAD) of the atlas, and several variations around the craniocervical junction were identified on computed tomography (CT) of a patient of unknown sex and age. Coronal and sagittal CT scans showed AS and bilateral fusion of the atlas and the bas...
The human knee is a complex joint that comprises several ligaments, including the medial collateral ligament (MCL). The MCL provides stability to the knee and helps prevent its excessive inward movement. The MCL also has a thin layer of connective tissue known as the epiligament (EL), which adheres to the ligament. This unique feature has drawn att...
Transverse basilar cleft (TBC) is an extremely rare variation of the clivus or the basilar part of the occipital bone. In this report, a unilateral transverse basilar fissure was found at the clivus in a head computed tomography of an 18-yearold female patient diagnosed with hemifacial microsomia (HFM). Image analysis of this patient showed shorten...
Although high-level carotid bifurcation (HCB) could lead to notable surgical difficulty, the definitive reference point for HCB is unclear. HCB is typically characterized as carotid bifurcation (CB) located higher than the level of the third cervical vertebra (C), however, a major obstacle regarding carotid artery surgical exposure is angle of the...
Episternal ossicles (EO) are accessory bones located superior and posterior to the manubrium, representing an anatomical variation in the thoracic region. This study aimed to investigate the prevalence and developmental aspects of EO in global populations. The prevalence of EO in pediatric populations was assessed using the “Pediatric-CT-SEG” open-...
Background:
High-resolution ultrasound of the tibial nerve has been used for screening of several neurologic disorders, but normative reference values of tibial nerve cross-sectional areas (CSA) have not been well established. Thus, the present meta-analysis was performed to generate normative estimates of tibial nerve CSA at various sites of the...
This study consists of a retrospective cohort study, a systematic review, and a meta-analysis which were separately conducted. This study aimed to investigate the prevalence of atlas arch defects, generate an evidence-based synthesis, and propose a common classification system for the anterior and combined atlas arch defects. Atlas arch defects are...
Background:
The clivus forms the central skull base between the dorsum sellae and the foramen magnum. Although bony variations of the inferior surface of the clivus are well-recognized and have been well studied, studies of bony variations of the basilar (superior) surface of the clivus are scarce. Therefore, the present study was performed to inv...
Anatomists and clinicians often encounter single bony anatomical variations in dry skulls and on imaging. However, a constellation of 20 such variants some that, to our knowledge, have not been previously described is noteworthy. Here, we describe an adult skull with multiple bony variations, and these are detailed and discussed. These included cli...
Introduction: The internal jugular vein is the preeminent outflow of the dural venous sinuses in the supine position, while the vertebral venous plexus dominates venous outflow in the upright position. Emissary veins can also be an accessory pathway for this venous egress. To our knowledge, alternative dural venous sinus directly drainage via the d...
Purpose: Variations of the extensor pollicis longus are rare. When present, these include a separate extensor pollicis longus muscle, tendon or an intertendinous connection with nearby tendons within the deep extensor compartment of the forearm. Here, we report an extremely rare variation of an accessory extensor pollicis longus originating from th...
Purpose: The aim of our study is to study the prevalence and anatomy of scapular foramina (SF) and scapular nutrient foramina (SNF) in dried skeletons from the Northeastern Thai population.
Methods: A total of 150 dried scapulae were investigated. Both SF and SNF were identified using a metal wire with a diameter of 0.36 mm. The number, locations,...
Introduction: Partial restoration of shoulder function is important in upper brachial plexus lesions, and the suprascapular nerve is often the target for such neurotization procedures. Although there is an extensive history of peripheral nerve surgeons using the hypoglossal nerve for various local nerve transfers, some have reported using this nerv...
Background and Objectives: Anatomical variations in the head, neck and chest are common, and are observed as occasional findings on computed tomography (CT). Although anatomical variations are mostly asymptomatic and do not cause any negative influence on the body function, they may jeopardize diagnosis and may be confused with pathological conditi...
Purpose The uppermost segment of the cervical vertebra or atlas (C1) is a critically important anatomical structure, housing the medulla oblongata and containing the grooves for the C1 spinal nerve and the vertebral vessels. Variations of the C1
vertebra can afect upper spine stability, and morphometric parameters have been reported to difer by po...
Background: There is a link between diabetic peripheral neuropathy (DPN) progression and the increase in the cross-sectional area (CSA) of the tibial nerve at the ankle. Nevertheless, no prior meta-analysis has been conducted to evaluate its usefulness for the diagnosis of DPN. Methods: We searched Google Scholar, Scopus, and PubMed for potential s...
Background/purpose
A Stafne bone cavity (SBC) is an incidental depression in the lingual surface of the mandible. The aim of this study is to provide pooled estimates of the frequency of Stafne bone cavity and to correlate its presence with such variables as sex, laterality, diagnostic methods and population.
Materials and methods
Potential studie...
Chest computed tomography (CT) has been the preferred imaging modality during the pandemic owing to its sensitivity in detecting COVID‐19 infections. Recently, a large number of COVID‐19 imaging datasets have been deposited in public databases, leading to rapid advances in COVID‐19 research. However, the application of these datasets beyond COVID‐1...
Chronic stress (CS) can contribute to dysfunction in several organs including liver and kidney. This study was performed to investigate the changes in serum biochemistry, histological structure, as well as in
localization of tyrosine phosphorylated proteins (TyrPho) and Heat shock protein 70 (Hsp-70) in liver and kidney tissues of CS rats induced b...
Purpose: Two most common variations of flexor pollicis longus include its accessory head and its connection with the flexor digitorum profundus of the index (Linburg–Comstock variation). In addition, while three-dimensional (3D) screening has widely been used in anatomical education, its use as reporting tool in anatomical research is still limited...
Introduction: Thyroid ima artery is a variant artery found on the anterior surface of the trachea. The aim of this meta-analysis was to obtain pooled prevalence data of the thyroid ima artery and discuss its clinical importance especially for tracheostomy.
Methods: A systematic literature search was performed through five electronic databases until...
Background: Anconeus epitrochlaeris muscle and Osborne's ligament are anatomical variants that are occasionally found at the cubital tunnel of the elbow. In certain individuals, these two structures may compress the ulnar nerve resulting in a cubital tunnel syndrome. Although these variants have been reported extensively, its prevalence is still un...
Background and Objectives: The landmark for neurosurgical approaches to access brain le-sion is the pterion. The aim of the present study is to classify and examine the prevalence of all types of pterion variations and perform morphometric measurements from previously defined anthropo-logical landmarks. Materials and methods: One-hundred and twenty...
The azygos lobe (AL) is an accessory lobe of the right lung with prevalence between 0.4 and 1.2%. The aim of the present review is to provide a better estimate of the frequency of the AL and to examine its relationships with other variables such as population, diagnostic methods, and co‐occurring illnesses. Studies published between 1899 and Octobe...
Porotic hyperostosis (PH) is the expansion of the cranial diploë, generating ‘hair-on-end’ appearance on X-rays. This condition is extremely rare and had a prevalence of 0.08%. It is alternatively known as cribra orbitalia (CO) when the orbital roof is affected. In this study, we describe the gross morphology of two skulls affected by PH and CO. Th...
Eleven demonstration activities for an introductory undergraduate chemistry safety session are described. The first two activities are a safety video and a lab tour. All other activities are drawn from popular demonstrations and presented in the context of chemical safety. These include a balloon bursting via toluene, a dry ice fog created in a fum...
Posterior compartment of forearm and hand is among the most variable parts of the human body. During a routine dissection, we found two anatomical variants in the right forearm and hand of an 84-year-old male cadaver including the extensor indicis radialis and the extensor medii proprius associated with a fibromuscular slip. Histological analysis u...
Purpose Anatomical variants in the posterior compartment of forearm and hand are not uncommon. Physicians should be aware of variations in this region for correct diagnosis and treatment of diseased hands.
Methods During a routine dissection at our department, an extremely rare case of deep hand extensor muscle was discovered. Results A complete ex...
Forty anatomy articles were sampled from English Wikipedia and assessed quantitatively and qualitatively. Quantitatively, each article’s edit history was analyzed by Wikipedia X‐tools, references and media were counted manually, and two readability indices were used to evaluate article readability. This analysis revealed that each article was updat...
Purpose:
The aim of the study was to investigate the anatomy and histology of Linburg-Comstock variation, or the anomalous connection between flexor pollicis longus and flexor digitorum profundus to the index finger, in Thai population.
Methods:
One hundred and thirty cadaveric upper limbs were dissected. Skin and superficial fascia on the anter...
We discuss a pilot implementation of Wikipedia writing assignments in three chemistry courses at the Mahidol University International College. Thirty eight out of 70 undergraduate students opted to write articles relating to their classes on the English Wikipedia as an alternative to a paper-based exam. As part of the assignments, 64 articles were...
A total of 100 cadaveric limbs were dissected to study the anatomy of the forearm and hand extensor musculature. Four types of contributions to the index finger were found for the extensor indicis proprius (EIP), including one new type where the double tendons of the EIP inserts volar and radial to the extensor digitorum communis of the index finge...
The horseshoe kidney is a congenital fusion anomaly where both kidneys are fused at the lower poles. We report a case of horseshoe kidney in a 70 year-old Thai cadaver. This horseshoe kidney was associated with malformations of renal hila, sinuses, calyces and supernumerary arterial supplies from the dorsal part of the kidney. To our knowledge, the...
Duplication of the inferior vena cava was detected in a 71-year-old Thai male cadaver with unknown cause of death. Two inferior vena cavae located on each side of the lumbar vertebrae were identified. The right inferior vena cava was formed by fusion of the right and left common iliac veins and had a normal course, while the left inferior vena cava...