A False Step in a Ballerina: A Rare Case of Osteonecrosis of Subhallucal Sesamoid Bone.

Subhallucal interphalangeal osteonecrosis is an uncommon cause of forefoot pain, and a rarely reported clinical entity, being often overlooked. Imaging, particularly computed tomography (CT) scan and magnetic resonance imaging (MRI) have an essential role in early and differential diagnosis and guiding for appropriate therapy. The first approach should be conservative, and surgical treatment should be considered when it proves ineffective.

Type IX Superior Labrum Anterior and Posterior Lesion in a Professional Football Player: A Rare Pattern of Shoulder Instability in a Non-throwing Athlete.

Anterior shoulder instability is the most frequent type of glenohumeral instability, especially among young athletes. Superior labral anterior-posterior (SLAP) injuries involve the superior glenoid labrum where the long head of the biceps tendon (LHBT) inserts. There is still some debate regarding the pathogenesis, clinical presentation, and treatment of these lesions.

Recurrent neck swelling after iodinated contrast media administration.

A 74-year-old male with an abdominal aortic aneurism reported 2 episodes of neck swelling 16 hours after an abdominal CT with iodinated contrast media that reappeared in a subsequent CT, although the use of pre-medication. The tests used to exclude the hypersensitivity hypothesis where negative and once a new CT where needed we decided to do it with close monitoring. We performed a facial picture and cervical ultrasound exam before and 24 hours after the exam.