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https://www.readbyqxmd.com/read/29138875/variant-course-of-extensor-pollicis-brevis-tendon-in-the-third-extensor-compartment
#1
Shiro Sugiura, Yusuke Matsuura, Takane Suzuki, Satoru Nishikawa, Chisato Mori, Kazuki Kuniyoshi
INTRODUCTION: According to the anatomical literature, the extensor pollicis brevis (EPB) tendon passes through the first compartment and enters the base of the proximal phalanx of the thumb. There have been a few reports on the different types of supernumerary EPB tendons; however, an unusual course of the EPB tendon is extremely rare. MATERIALS AND METHODS: During routine cadaveric dissection in the Department of Gross Anatomy, we detected an variant EPB muscle in a 96-year-old fresh female cadaver...
November 14, 2017: Surgical and Radiologic Anatomy: SRA
https://www.readbyqxmd.com/read/29129813/a-novel-duplication-downstream-of-bmp2-in-a-chinese-family-with-brachydactyly-type-a2-bda2
#2
Wen-Bo Wang, Ya-Chao Jia, Zeng Zhang, Jia Xu, Rong-Tai Zuo, Qing-Lin Kang
BACKGROUND: Brachydactyly type A2 (BDA2) is an autosomal dominant disease characterized by the deformation of the middle phalanx of the second fingers and toes. It has been reported to be associated with three genes regulating the osteogenesis, including BMPR1B, GDF5 and BMP2. MATERIALS AND METHODS: 10 BDA2 patients and 7 unaffected individuals in a Chinese family were identified through clinical signs and radiographs. The mutation analyses of BMPR1B, GDF5 and BMP2 gene was performed in all the available family members and 100 control subjects...
November 9, 2017: Gene
https://www.readbyqxmd.com/read/29117838/the-te-technique-for-restoring-fingertip-stability-post-traumatic-acro-osteolysis-a-report-and-review-of-management-options
#3
Yu-Te Lin, Charles Yuen Yung Loh
BACKGROUND: Fractures of the distal phalanx can result in bony non-union, resulting in acro-osteolysis and subsequent fingertip instability due to soft tissue dissociation from bone. Conventional methods of treating this involve osseous fixation, but do not address the laxity and lack of soft tissue stability with bone. Current techniques also do not address the management of such conditions if bony fragments are too small to reduce. We present a novel method that addresses both soft tissue and bony deformity in this condition...
December 2017: Journal of Hand Surgery Asian-Pacific Volume
https://www.readbyqxmd.com/read/29117821/assessment-of-usefulness-of-anthropometric-data-for-predicting-the-scaphoid-and-the-screw-length-a-new-technique
#4
Darshan Kumar A Jain, Naresh Shetty, L Naveen Kumar, D C Sundaresh
BACKGROUND: Headless screw is frequently used for scaphoid fracture fixation. Aim of the study was to assess the correlation between the axial length of the scaphoid and the axial length of the middle phalanx of index, middle, ring and little finger so as to provide an indirect method to assess the length of the scaphoid and thereby the length of the screw. METHODS: Thirty five fresh frozen cadavers with seventy wrists and hands were dissected. The age, sex and side were recorded...
December 2017: Journal of Hand Surgery Asian-Pacific Volume
https://www.readbyqxmd.com/read/29110050/frequency-of-inflammatory-like-mr-imaging-findings-in-asymptomatic-fingers-of-healthy-volunteers
#5
Christoph A Agten, Andrea B Rosskopf, Maciej Jonczy, Florian Brunner, Christian W A Pfirrmann, Florian M Buck
OBJECTIVE: To describe the frequency of inflammatory-like findings on MR imaging in asymptomatic volunteers and compare them with patients with known rheumatoid arthritis and psoriatic arthritis. MATERIALS AND METHODS: MR images of fingers in 42 asymptomatic volunteers and 33 patients with rheumatoid/psoriatic arthritis were analyzed. The Outcome Measures in Rheumatology Clinical Trials (OMERACT) Rheumatoid/Psoriatic Arthritis MRI Scoring System (RAMRIS/PsAMRIS) and tenosynovitis scoring system were used to assess: bone marrow edema (BME), erosions, tendon sheath fluid/tenosynovitis, joint effusion, and soft-tissue edema...
November 6, 2017: Skeletal Radiology
https://www.readbyqxmd.com/read/29109801/the-osteometry-of-equine-third-phalanx-by-the-use-of-three-dimensional-scanning-new-measurement-possibilities
#6
Sławomir Paśko, Małgorzata Dzierzęcka, Halina Purzyc, Anna Charuta, Karolina Barszcz, Bartłomiej Jan Bartyzel, Marcin Komosa
This study consisted in analyzing the asymmetry between bilateral third phalanges (coffin bones) in cold-blood horses based on the angle range of the plantar margin of the bone. The study employed a scanner projecting a hybrid set of images, consisting of sinusoidal stripes preceded by a Gray code sequence. As it turned out, three-dimensional scanning can be used to effectively determine the angle range for a selected portion of the studied bone. This provides broad possibilities for osteometric studies, as it enables the determination of angle distribution in a given fragment...
2017: Scanning
https://www.readbyqxmd.com/read/29103889/minimally-invasive-hallux-interphalangeal-joint-arthrodesis-for-hallux-varus-in-pfeiffer-syndrome-a-case-report
#7
Miguel Flora, Pedro Diniz, Ana Luisa Neto, Nelson Teixeira, Paulo Carvalho, Francisco Guerra Pinto
Pfeiffer syndrome is a rare hereditary condition with an autosomal dominant transmission caused by a mutation that affects fibroblast growth factor receptors. It is one of the acrocephalosyndactyly diseases causing cranial malformations owing to early suture fusion. In the foot, it is typically associated with hallux varus, first ray hyperplasia, and partial lesser digit syndactyly. We report a clinical case of a 10-year-old patient with Pfeiffer type I syndrome with bilateral severe hallux varus due to a hypoplastic trapezoidal shaped proximal phalanx, a distal, medial-facing articular surface, and interphalangeal instability...
November 3, 2017: Journal of Foot and Ankle Surgery: Official Publication of the American College of Foot and Ankle Surgeons
https://www.readbyqxmd.com/read/29090493/ultrasonographic-criteria-for-diagnosing-unilateral-and-bilateral-retronychia
#8
Javier Fernández, Francisco Reyes-Baraona, Ximena Wortsman
OBJECTIVES: To assess the main characteristics of retronychia on ultrasonography (US) and to propose US criteria for diagnosing unilateral and bilateral cases according to the digit. METHODS: We conducted a case-control study with retrospective, descriptive, and statistical analyses of the US images of 210 nails: 43 with retronychia and 167 normal nails. The Student t test, Fisher exact test, and Kruskal-Wallis test, among other tests, were performed. P < ...
November 1, 2017: Journal of Ultrasound in Medicine: Official Journal of the American Institute of Ultrasound in Medicine
https://www.readbyqxmd.com/read/29078727/proximal-phalanx-fracture-management
#9
Tim T Lögters, Hannah H Lee, Sebastian Gehrmann, Joachim Windolf, Robert A Kaufmann
BACKGROUND: The goal of proximal phalangeal fracture management is to allow for fracture healing to occur in acceptable alignment while maintaining gliding motion of the extensor and flexor tendons. METHODS: We reviewed the most current literature on various treatment methods of proximal phalanx fractures, focusing on the indications and outcomes of nonoperative as well as operative interventions. RESULTS: Stable fractures can be successfully treated nonoperatively, whereas unstable injuries benefit from surgery...
October 1, 2017: Hand: Official Journal of the American Association for Hand Surgery
https://www.readbyqxmd.com/read/29076759/internal-fixation-of-displaced-intra-articular-fractures-of-the-hallux-through-a-dorsomedial-approach-a-technical-tip
#10
Danilo Ryuko Cândido Nishikawa, Fernando Aires Duarte, Cesar de Cesar Netto, Augusto César Monteiro, Rômulo Ballarin Albino, Fabio Corrêa Paiva Fonseca
Phalangeal fractures of the toes represent common injuries of the forefoot. In the hallux, most fractures occur at the distal phalanx and frequently result from a direct crushing type of injury. Intra-articular fractures of the hallux are usually treated nonoperatively, except when the fragments are displaced and the joint is incongruent. Displaced fractures treated nonoperatively can result in degenerative arthritis of the interphalangeal joint, causing pain and range of motion limitation, hindering gait and weightbearing...
October 1, 2017: Foot & Ankle Specialist
https://www.readbyqxmd.com/read/29076328/modified-toe-pulp-fillet-flap-coverage-better-wound-healing-and-satisfactory-length-preservation
#11
Sang Oon Baek, Hyo Wan Suh, Jun Yong Lee
Background: Amputation is commonly performed for toe necrosis secondary to peripheral vascular diseases, such as diabetes mellitus. When amputating a necrotic toe, preservation of the bony structure is important for preventing the collapse of adjacent digits into the amputated space. However, in the popular terminal Syme's amputation technique, partial amputation of the distal phalanx could cause increased tension on the wound margin. Herein, we introduce a new way to resect sufficient bony structure while maintaining the normal length, based on a morphological analysis of the toes...
October 27, 2017: Archives of Plastic Surgery
https://www.readbyqxmd.com/read/29069094/the-oldest-record-of-alvarezsauridae-dinosauria-theropoda-in-the-northern-hemisphere
#12
Alexander Averianov, Hans-Dieter Sues
Procoelous caudal vertebrae, a carpometacarpus with a hypertrophied metacarpal II, and robust proximal and ungual phalanges of manual digit II of a small theropod dinosaur from the Upper Cretaceous (Turonian) Bissekty Formation at Dzharakuduk, Uzbekistan, show unequivocal synapomorphies of the clade Alvarezsauridae and thus are referred to it. The caudal vertebrae have a unique longitudinal canal within the neural arch. The carpometacarpus, with metacarpal III occupying about one third of the width of the carpometacarpus, shows the most plesiomorphic stage of the evolution of the forelimb among known alvarezsaurids...
2017: PloS One
https://www.readbyqxmd.com/read/29066663/spontaneous-painful-subungual-thumb-haematoma
#13
Nihull Jakharia-Shah, Priyanka Chadha, Mahendra Kulkarni
We present the case of a 56-year-old man who presented to our accident and emergency department 15 years after a work-based injury to his left thumb.In January 2017, the patient was woken up acutely with excruciating pain in his left thumb with no preceding trauma. On clinical examination, only a subungual haematoma was noted. Radiographs of the effected thumb demonstrated a round, lytic lesion with an accompanying hairline fracture on the distal phalanx of the left thumb. The radiologist suggested a differential diagnosis of enchondroma should be considered...
October 24, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/29056125/quantification-and-further-refinements-of-dorsal-metacarpal-artery-perforator-flap-for-reconstruction-of-wounds-of-fingers-upto-distal-interphalangeal-joints
#14
Muhammad Amin Yousaf, Zain Ul Abidin, Farrukh Aslam Khalid, Kamran Khalid, Muhammad Saleem, Muhammad Jibran Rabbani, Abdul Malik Mujahid, Moazzam Nazeer Tarrar
OBJECTIVE: To assess the outcome of dorsal metacarpal artery perforator flap for coverage of finger defects extending upto distal interphalangeal joint (DIPJ). STUDY DESIGN: Case series. PLACE AND DURATION OF STUDY: Jinnah Burn and Reconstructive Surgery Centre, Lahore, from March 2015 to May 2017. METHODOLOGY: Our study was carried out in two parts. 1st part of study was to measure average flap length in our population...
October 2017: Journal of the College of Physicians and Surgeons—Pakistan: JCPSP
https://www.readbyqxmd.com/read/29051884/curettage-using-soft-wire-for-enchondroma-in-the-hand-a-technical-note
#15
Akio Sakamoto, Shuichi Matsuda
INTRODUCTION: Enchondromas are benign bone cartilaginous lesions predominantly seen in the hand, possibly leading to a pathological fracture. When the lesion expands to the whole phalanx, curettage through a small fenestration is difficult. To overcome the problem, soft-wire (cerclage wire) was used as a curette. Soft-wire is commonly used for a tension band wiring method for patellar or olecranon fractures. TECHNIQUE: Two representative cases are presented: one is a 43-year-old male with enchondroma in the middle phalanx of the left index finger, and the other is a 28-year-old female with enchondroma in the distal phalanx of the right thumb...
May 2017: Journal of Orthopaedic Case Reports
https://www.readbyqxmd.com/read/29049244/isolated-heptadactylia-a-case-report-of-central-polydactyly-of-the-foot
#16
Nicolas Piette, Pierre-Yves Zambelli, Daniel N'Dele
RATIONALE: Heptadactylia is a rare congenital disorder from the polydactyly family. Polydactyly is generally classified into 3 major groups: preaxial (medial ray), postaxial (lateral ray), and central polydactyly. Most common cases are related to preaxial or postaxial polydactyly. The rarity of central polydactyly can be explained in 3 ways. First, central polydactyly with duplication appearing on metatarsal is pretty uncommon. Second, the duplication appears isolated on the foot. Polydactyly is mostly associated with other physical defects or others duplications...
October 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29042134/the-use-of-dynamic-radiographs-in-trapeziometacarpal-joint-arthrodesis-for-accurate-range-of-motion-evaluation
#17
Brian Dormitorio, Yasunori Hattori, Kiminori Yukata, Sotetsu Sakamoto, Kazuteru Doi
BACKGROUND: Increased motion at the scaphotrapeziotrapezoidal (STT) joint and compensatory hypermobility of metacarpophalangeal (MP) joint contribute to the total abduction and adduction motion of the thumb after trapeziometacarpal (TM) joint arthrodesis. However, there were no detailed studies to evaluate the contribution of motion of each joint towards total thumb mobility. METHODS: We conducted a comparative study on thumb joint motion in 56 hands who underwent TM joint arthrodesis against that of 56 hands in normal subjects...
October 14, 2017: Journal of Orthopaedic Science: Official Journal of the Japanese Orthopaedic Association
https://www.readbyqxmd.com/read/29039226/reconstruction-of-traumatic-dorsal-loss-of-the-thumb-four-different-surgical-approaches
#18
Roberto Adani, Raffaele Mugnai, Giovanna Petrella
BACKGROUND: This article outlines our methods for thumb reconstruction following dorsal skin loss injury located between the metacarpophalangeal joint (MPj) and the entire nail affecting skin, nail, tendon, and bone in different combinations but with intact sensate palmar skin. METHODS: Between 1990 and 2015, 24 patients were treated for dorsal thumb defects using 4 different surgical techniques. Five cases of dorsal compound traumatic loss were reconstructed by custom-made dorsal great toe transfer...
October 1, 2017: Hand: Official Journal of the American Association for Hand Surgery
https://www.readbyqxmd.com/read/29024745/correlation-between-extension-block-k-wire-insertion-angle-and-postoperative-extension-loss-in-mallet-finger-fracture
#19
S K Lee, Y H Kim, K H Moon, W S Choy
INTRODUCTION: Extension-block pinning represents a simple and reliable surgical technique. Although this procedure is commonly performed successfully, some patients develop postoperative extension loss. To date, the relationship between extension-block Kirschner wire (K-wire) insertion angle and postoperative extension loss in mallet finger fracture remains unclear. HYPOTHESIS: We aimed to clarify this relationship and further evaluate how various operative and non-operative factors affect postoperative extension loss after extension-block pinning for mallet finger fracture...
October 9, 2017: Orthopaedics & Traumatology, Surgery & Research: OTSR
https://www.readbyqxmd.com/read/29018907/mri-sport-specific-pulley-imaging
#20
Michael N Hoff, Todd D Greenberg
OBJECTIVE: We aim to create a novel MRI methodology that employs sport-specific stress views for imaging finger pulley injuries in the evaluation of post-operative healing effectiveness. The goal is to measure the bone to tendon distance (BTD), which is the current standard for determining pulley injuries. MATERIALS AND METHODS: The athlete was imaged in a crimp-grip stressed position to emulate sport-specific biomechanics. A Gradient Echo technique was modified to maximize the signal to noise ratio and minimize distortion near the bone and tendon, simplifying the determination of the BTD...
October 10, 2017: Skeletal Radiology
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