Slipped Capital Femoral Epiphysis, is a common condition of the proximal femoral physis that leads to slippage of the metaphysis relative to the epiphysis, and is most commonly seen in adolescent obese males.
Diagnosis can be confirmed with radiographs of the hip. 
Treatment is usually percutaneous pin fixation. Contralateral pinning is indicated for patients at high risk, such as those with an initial slip at age < 10, obese males, and those with endocrine disorders

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A 43-year-old left-handed man with a history of type 2 diabetes mellitus and hypertension presented for evaluation of abnormal posturing and control of his left ring and little fingers. He initially denied injury; however, on further questioning, he recalled being kicked in the hand by an aggressive student while working as a school principal. This direct blow to the base of his left palm on the hypothenar eminence occurred approximately 3–4 weeks prior to onset of symptoms. He denied any sensory disturbances.
He was seen by a hand surgeon who evaluated him for possible flexor pulley rupture versus central slip incompetence. Magnetic resonance imaging of the left hand revealed no evidence of pulley rupture or flexor or extensor tendon abnormalities. Over the ensuing weeks, he began to demonstrate claw deformities of the ring and little fingers and then developed atrophy of his first dorsal interosseous and adductor pollicis muscles with weakness of grip and pinch. An electromyography and nerve conduction study was performed, and the results were consistent with injury to the distal deep motor branch of the ulnar nerve with sparing of both the abductor digiti minimi muscle and sensory involvement. He was referred to occupational therapy and had some improvement in function with the use of a lumbrical bar splint; however, his symptoms remained unchanged. He subsequently saw another hand surgeon, and no additional treatment recommendations were provided.
The patient presented to our hand surgery clinic 6 months after injury. Previously obtained radiographs of the left hand were reviewed, which revealed heterotopic bone arising from the volar base of the little finger metacarpal extending proximally toward the hook of hamate . Computed tomography scan of the left hand was then obtained, which confirmed the presence of abnormal bone formation near the deep motor branch of the ulnar nerve. This raised concern for posttraumatic compressive neuropathy of the deep motor branch of the ulnar nerve caused by heterotopic ossification.

The thecal sac, also known as the dural sac, is a tube of dura mater that surrounds the spinal cord and contains cerebrospinal fluid. Compression of the thecal sac in the lower spine can cause Cauda Equina Syndrome (CES), a surgical emergency that can lead to: Weakness and numbness in the legs, Bowel and bladder dysfunction, and Numbness in the saddle area. 


Spinal cysts can be caused by degeneration and instability in the spine, especially in the joints of the lumbar region. Patients with spinal cysts may also have other degenerative conditions, such as arthritis or disk disease. 


One type of spinal cyst is a Tarlov cyst, which is a fluid-filled nerve root cyst that usually occurs at the sacral level of the spine. Small, asymptomatic Tarlov cysts are present in about 5–9% of the general population.