Dr. Kevin Yip

Dr Kevin Yip
Orthopaedic Surgeon
MBBS(UK), FRCS(EDIN), FAM(SING), FHKCOS(ORTHO)

Featured on Channel NewsAsia

Wrist Sprain

Basics

Description A wrist sprain is an injury to the bones and ligaments of the wrist that results in pain from an incomplete ligament tear. No associated long-term disability Because many serious injuries are easily confused with wrist sprains, the patient with substantial swelling or persistent pain should be suspected of having a more serious […]

Wrist Pain

Basics

Description Wrist pain, a common symptom, may be caused by different conditions, including trauma, overuse, and infection. It is important to obtain a detailed history to make the correct diagnosis and to provide appropriate treatment. The history should include onset, duration, frequency, and location of the pain. Information regarding swelling, erythema, abnormal clicks, aggravating […]

Wrist Anatomy and Examination

Basics

Description Bones: The wrist is composed of 8 carpal bones in 2 rows (proximal and distal); from radial to ulnar: Proximal row: Scaphoid (or navicular) Lunate Triquetrum Pisiform Distal row: Trapezium Trapezoid Capitate Hamate Tunnels: The wrist has 6 dorsal and 2 volar (or palmar) compartments (or tunnels) that transport tendons to the hand. […]

Vertical Talus

Basics

Description Congenital vertical talus is an uncommon disorder, a rigid flatfoot that requires early identification and treatment. Its essence is a dislocation of the talonavicular joint with associated adaptive changes. It may be unilateral or bilateral. >1/2 of affected patients have other neurologic, genetic, or connective tissue disorders. The deformity occurs in utero, but […]

Vertebral Osteomyelitis

Basics

Description Infection of the vertebral bony elements, not including the disc space General Prevention Prevention of HIV and hepatitis Early treatment of hematogenous infection Postoperative wound care, including dressing changes and prophylactic postsurgical antibiotics Epidemiology Bimodal distribution: Small peak in youth (10-20 years old) Largest peak in adults >50 years old Increasing rates in […]

Unicameral Bone Cyst

Basics

Description A benign membrane-lined, fluid-filled lesion of bone that develops in childhood and fills in by maturity Location: 80% occur in the proximal humerus and proximal femur. Other, less common, areas are the proximal tibia, distal tibia, distal femur, calcaneus, distal humerus, radius, fibula, ilium, ulna, and rib. Usually centrally located adjacent to the […]

Tumor

Basics

Description Bone tumors can be divided into 4 categories: Benign primary: Common, usually in young patients Most common forms: Osteochondromas, osteoid osteoma, and giant cell tumors Malignant primary: Rare, but more common in the 2nd and 3rd decades than at other ages Responsible for <1% of deaths from cancer Most common forms in patients […]

Trigger Finger

Basics

Description A trigger finger is a manifestation of stenosing tenosynovitis that results in painful catching of the involved flexor tendon as the patient flexes and extends the digit. As the affected digit is slowly flexed, it snaps or triggers into a flexed position. Once the digit triggers, extension is difficult and, occasionally, must be […]

Triangular Fibrocartilage Complex Tear

Basics

Description The TFCC: A group of ligaments and cartilaginous structures that stabilize the distal radioulnar joint during pronation and supination of the forearm Extends from the ulnar styloid to the sigmoid notch of the distal radius Central portion: More cartilaginous than its periphery Acts as a meniscal homolog, similar to the menisci of the […]

Torticollis

Basics

Description A limitation of motion of the cervical spine that causes the head to be held in a tilted position May result from muscular, skeletal, or neurologic abnormalities (Fig. 1) Classification : Congenital abnormalities Acquired abnormalities Synonyms: Skeletal wry neck; Congenital wry neck; Cock-robin deformity; Sandifer syndrome (torticollis resulting from gastroesophageal reflux disease and […]