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While sporadic inclusion body myositis (sIBM) is the most commonly acquired inflammatory myopathy above 50 years of age, its refractory response to conventional immunosuppressive treatments raises questions about its perplexing pathogenesis. Muscle biopsy typically reveals major histocompatibility complex I antigens and CD8+ T cell endomysial infiltrates invading non-necrotic muscle fibres early in the disease course with rimmed vacuoles, protein aggregates and amyloid inclusions later in the disease. Transactive response DNA-binding protein-43 (TDP-43), a protein implicated in transcriptional repression in neurodegenerative diseases, is also found in sIBM. C5b-9 membrane attack complex, an effector protein involved in the complement cascade of the immune response, is commonly found in dermatomyositis, but has rarely been reported in IBM. We describe a novel case of IBM with simultaneous C5b-9 and TDP-43 staining on quadriceps biopsy, raising the question of a possibility of concurrent immune-mediated inflammatory and myodegenerative pathogenesis.A 56-year-old woman with a 12-year history of recurrent triple-negative invasive carcinoma of the breast presented with progressive enlargement of lymph nodes in the setting of established rupture of the ipsilateral silicone breast implant. Although this was proven to be benign on cytology, its progressive nature led to repeated core biopsies for histology, which were necessary given the high-risk nature of triple-negative breast cancer and the multiple proven previous recurrences. The histology demonstrated features of silicone deposits without evidence of malignancy. This case demonstrates the dilemma in surveillance of high-risk patients with breast cancer who have had previous silicone lymphadenopathy.A 67-year-old African-American woman with remote history of complete heart block (s/p pacemaker 3 years ago) and recent onset of ventricular tachycardia (VT) (s/p VT ablation and cardiac resynchronisation therapy defibrillator upgrade 3 months ago) presented to the hospital with VT storm. Workup showed newly reduced left ventricular ejection fraction with global hypokinesis (20%) and restrictive physiology. Positive technetium pyrophosphate scan was suspicious for TTR amyloid while serological workup revealed a monoclonal gammopathy. Cardiac MRI was contraindicated given remote brain aneurysm clip. Given clinical suspicion for cardiac sarcoidosis and divergent non-invasive workup, endomyocardial biopsy was performed which showed non-necrotising granulomas consistent with cardiac sarcoidosis. She was started on steroids with clinical improvement. Cardiac sarcoidosis is a challenging clinical diagnosis, particularly in patients without extracardiac manifestations. This case highlights the importance of a detailed and thorough workup of non-ischaemic cardiomyopathy and being cognizant of infiltrative disease as it can change patient management and outcomes.We describe a case of a compartment syndrome after transulnar coronary intervention. As far as we are aware of, this is the first report of such a complication after a transulnar approach described in the literature. Compartment syndrome is a very rare but possibly devastating complication of coronary angiography and percutaneous coronary interventions. We retrospectively observed an incidence rate of 0.007% after 13,948 coronary angiographies or 0.013% after 7532 interventions performed through the wrist in our centre in the last 5 years. Rapid recognition and treatment of this rare complication may prevent long-term morbidity and are thus of utmost importance. General measures should be taken to reduce this incidence of this serious complication.Pituitary apoplexy (PA) is an endocrine emergency presenting with headache, visual and hormonal disturbances. Syndrome of inappropriate antidiuretic hormone secretion (SIADH) is rare after PA. find more A 64-year-old woman presented with acute frontal headache and nausea with normal neurological examination. Labs included normal sodium and creatinine. Echo showed new-onset congestive heart failure (CHF) and MRI of the brain revealed PA. She had normal cortisol levels and low thyroid stimulating hormone with normal thyroxine (T4) levels. During her hospitalisation, patient developed hyponatraemia. Initially, this was attributed to CHF and she was treated with tolvaptan with normalisation of sodium. One week later, she was readmitted with diarrhoea and hyponatraemia. She was euvolaemic on examination indicating compensated CHF. Despite fluid challenge, patient had no improvement of sodium levels. The diagnosis of SIADH was made. Clinicians should suspect SIADH in patients with hyponatraemia in the setting of PA with normal T4 and cortisol levels.Methicillin-resistant Staphylococcus aureus (MRSA) can cause a wide range of skin infections, however MRSA panniculitis without bacteremia is a rare manifestation. Here, we report a woman in her 20s with relapsed Hodgkin lymphoma undergoing stem cell mobilisation who presented with bilateral subcutaneous nodules over her shins. Ultrasound scan of one nodule showed non-specific inflammatory changes. Punch biopsy of a nodule showed lobular panniculitis with Gram-positive cocci. Blood cultures were negative but a culture from the biopsy grew MRSA. She was started on doxycycline with improvement in her symptoms. This case serves as a reminder to consider infections as a cause of panniculitis in immunocompromised patients.This manuscript describes the case of a young woman, with no prior psychiatric history, who developed hypomania and paranoia as the principal presenting features of Graves' disease. After starting treatment with carbimazole and propranolol, symptoms resolved without the use of antipsychotic drugs. Close liaison between psychiatry and endocrinology services was essential. This demonstrates that treating underlying thyrotoxicosis in patients presenting with psychiatric symptoms may lead to recovery without the use of antipsychotic medication. While agitation, irritability and mood lability are well-recognised thyrotoxic symptoms, psychosis is a rare presenting feature of Graves' disease. All patients with agitation, delirium or psychiatric symptoms should have thyroid function checked as part of initial tests screening for organic disease. In new or relapsing psychiatric conditions, it is important to ask patients, their carers or relatives about symptoms of hypothyroidism or thyrotoxicosis.
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