BMJ Case Reports is an important educational resource offering a high volume of cases in all disciplines so that healthcare professionals, researchers and others can easily find clinically important information on common and rare conditions. All articles are peer reviewed and copy edited before publication. BMJ Case Reports is not an edition or supplement of the BMJ.

All submissions to BMJ Case Reports require the completion of author statements. Case reports should have a maximum of four authors. One of the co-authors should be the lead clinician responsible for the patient’s care and responsible for the integrity of the content of the case report, signed informed consent and author statements accompanying each manuscript.

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A journal publishing case reports in all medical disciplines, including general medicine, drug interaction and adverse reactions. The largest online collection of medical case reports.

Background Mesenteric panniculitis is a rare and benign acute and chronic inflammatory and fibrotic process that affects predominantly the small and less frequently (20%) the large intestine mesenteric fat.1 2 It may more rarely involve retroperitoneal, pelvic and peripancreatic fat. It is more common in men, with a male-to-female ratio of 2–3:1, and it …

Naltrexone is used as an off-label treatment in low doses for several chronic immune-modulated disorders in many countries. Although only small-scale clinical trials have been performed, these suggest efficacy in several diseases including Crohn’s disease, fibromyalgia and Gulf War Illness. Despite numerous internet reports of response to low …

Maxillary sinus retention cysts (MRCs) are typically asymptomatic and require no treatment. An early 30s man presented with a decade-long history of severe left-sided chronic facial pain (CFP). Multiple prior treatments resulted in an edentulous patient with persistent pain. Imaging revealed a dome-shaped radiopaque change in the left maxillary sinus. …

Achenbach’s syndrome, also known as ‘paroxysmal finger haematoma’ is a rare and benign clinical condition of unknown aetiology, which results in the sudden onset of pain and swelling along with bruising, mostly on the palmar aspects of fingers and hands.1–3 Although the most commonly affected anatomical site is the volar aspects of the fingers,4 there are occasional reports involving ...

A 42-year-old man presented with numerous left patella dislocations. While the initial dislocation was traumatic, recent episodes were atraumatic. He had no clinical evidence of hyperlaxity, but presented with patellar apprehension and a positive J-sign. His examination was otherwise unremarkable. An MRI of his knee revealed early patellofemoral degenerative changes and …

A case report is a narrative that describes, for medical, scientific or educational purposes, a medical problem experienced by one or more patients. Case reports written without guidance from reporting standards are insufficiently rigorous to guide clinical practice or to inform clinical study design. Develop, disseminate and implement systematic reporting guidelines for …