– Discussion: – myotonic muscular dystrophy is an autosomal dominant disease; – there is widespread involvement of organ systems, which includes weakness and wasting of the muscles, cataracts of the posterior lens, endocrine abnormalities, cardiac conduction defects, premature frontal balding in males, and, frequently, nonprogressive intellectual dysfunction; – muscle wasting … Read more
Section Editor Dean Taylor, MD – See: Muscle Anatomy, Histology, & Physiology; A Abductor Digiti Minimi Brevis Abductor Digiti Minimi (hand) Abductor Hallucis Abductor Pollicis Brevis Abductor Pollicis Longus Anconeus Adductor Brevis Adductor Hallucis Adductor Longus Adductor Magnus Adductor Pollicis B Biceps Brachii Biceps Femoris Brachialis Brachioradialis C Coracobrachialis D Deltoid Dorsal Interossei of Feet … Read more
– See: – Forearm Extensors: – Anterior Approach to the Radial Shaft: (Henry) – Superficial Layer: – Pronator Teres – Flexor Carpi Radialis – Palmaris Longus – Flexor Carpi Ulnaris – Middle Layer: – Flexor Digitorum Superficialis – Deep … Read more
– See: Bone Tumor Menu – Discussion: – an osteochondroma that results from a dysplasia of peripheral growth plate; – as its name implies, multiple hereditary exostosis is an inherited condition which produces multiple exostoses; – occurs in 1 out of 50,000 people; – … Read more
– Discussion: – originally was described by Ollier in late 1800s; – characterized by multiple enchondroma lesions primarily located w/ in the metaphyseal regions of tubular bones; – usually diagnosed in childhood; – pts w/ Ollier’s dz have increased risk of a secondary chondrosarcoma developing later in … Read more
Discussion multiple epiphyseal dysplasia (a common type of osteochondrodysplasia) is characterized by disturbance of normal ossification w/ in epiphysis; pathologic abnormality is a disturbance in enchondral ossification of epiphyses and physes; is inherited as an autosomal dominant trait with variable expressivity; disorder is manifested as multiple areas of abnormal growth and ossification of the epiphysis; … Read more
– See: Hand Tumors – Discussion: – cystic lesion (actually a ganglion) over dorsum of finger near DIP & fingernail; – it is associated w/ degenerative lesions and spur formation (Heberden’s nodes) over DIP joint; – ganglion may or may not be connected to DIP joint by a synovial stalk; … Read more
ORIF of Calcaneal Frx Using Lateral Approach: – Preoperative Planning: – Surgical Stratedgy: – pt in true lateral position – J or L approach w/ subperiosteal dissection off lateral wall, including calcaneo-fibular ligament (sural nerve in flap); – extension from tuberosity to calcaneo-cuboid (watch peroneals) – reduction of critical angle of Gissane/ anterior process to … Read more
– Discussion: – it is not a neuroma but a perineural fibrosis and it was not first accurately described by Morton but by Durlacher, a chiropodist in 1845; both Thomas G. Morton (1876) and Thomas K. Morton (1892) mistook it for a painful affection of the fourth MTP articulation – it is … Read more
– Mosaicplasty: – refers to the technique of harvesting small circular (4-8 mm) autogenous grafts from the knee from non wt bearing regions of the knee, and transplanting the grafts in a mosaic pattern until the osteochondral defect is filled; – typically the grafts are harvested from the … Read more