The Hip - book

Mucous Cyst

– 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

Multidirectional Instability

– Discussion:     – multidirectional instability implies three-way subluxations or dislocations either anteriorly, posteriorly, or inferiorly;     – these patients usually have no true Bankart lesion and incontrast patients have a capacious axillary pouch;             – ref: The Effect of Variation in Definition on the Diagnosis of Multidirectional Instability of the Shoulder.      – … Read more

Negative Influences on Bone Healing:

– Negative influences on bone healing: – NSAIDS: – Effects of short-term treatment with corticosteroids and indomethacin on bone healing. A mechanical study of osteotomies in rats. – Antiinflammatory drug effects on bone repair and remodeling in rabbits. – Selective and Nonselective Cyclooxygenase-2 Inhibitors and Experimental Fracture-Healing. Reversibility of effects after short-term treatment. – Dose and Time-Dependent Effects … Read more

Opening Wedge High Tibial Osteotomy

– Discussion:     – surgical descision making:              – Limb Alignment After Open-wedge High Tibial Osteotomy and Its Effect on the Clinical Outcome              – Opening wedge high tibial osteotomy for symptomatic hyperextension-varus thrust.              – The effect of a proximal tibial medial opening wedge osteotomy on posterolateral knee instability: a biomechanical study. – Osteotomy Options: … Read more

Open versus Arthroscopic Ankle Arthrodesis: A Comparative Study

Foot Ankle Int. 1999 Jun;20(6):368-374   O’Brien TS, Hart TS, Shereff MJ, Stone J, Johnson J   ABSTRACT   BACKGROUND: A retrospective review was undertaken for 36 patients who underwent ankle arthrodesis.   METHODS: Nineteen patients underwent an arthroscopic ankle arthrodesis, and 17 patients underwent an open arthrodesis. Only patients with limited angular deformities were … Read more

Muscle Cramps

             – diff dx:                    – exercise-associated muscle cramping                     – Parkinson’s disease                    – amyotrophic lateral sclerosis                     – peripheral neuropathy                    – lumbar radiculopathy (S1)                    – metabolic myopathies (myopathic disorders)                    – low serum Mg and calcium                    – vitamin D deficiency                    – vascular insufficiency                    – hypothyroidism                    – diabetes mellitus                     – lipid-lowering agents, … Read more

ORIF of Calcaneal Fractures

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

MRI: T1 Discussion

– Discussion:        – T1 images w/ short TR & w/ short TE will  provide the best anatomic detail;        – T1 imaging is most useful for lesions involving marrow & subQ fat;        – T1-weighted imaging also provides the highest signal-to-noise ratio and is therefore optimal for evaluating … Read more

MSK Changes associated with Steroids

– See: Steroid Menu – Discussion:     – daily doses of more than 5 to 7.5 mg of prednisone or its equivalent should be avoided because of side effects produced by glucocorticoids, esp            diminishing of bone mineral content;            – low dose (5 to 7.5 mg PO qd) may benefit certain pts … Read more