Notes

LncIMF2 stimulates adipogenesis throughout porcine intramuscular preadipocyte by means of splashing MiR-217.
Vitamin B12 deficiency can be caused by a diverse group of aetiologies. One of the less common of these is an autoimmune condition pernicious anaemia, so named after the most common physiological manifestation of B12 deficiency anaemia. However, B12 is also necessary for nervous system function and its depletion can lead to dysfunction of the posterior columns of the spinal cord resulting in subacute combined degeneration (SCD). This disease, while debilitating in its acute phase, can usually be mostly if not fully reversed if caught early and treated appropriately. Early detection can prove challenging if there are no haematological manifestations of B12 deficiency and the only guidance is the high index of suspicion. We present a case of pernicious anaemia leading to SCD without any clinical or laboratory findings of anaemia in this report. © BMJ Publishing Group Limited 2020. No commercial re-use. See rights and permissions. Published by BMJ.A one-eyed 67-year-old man with 20/400 vision, dense cataract, previously failed trabeculectomy and medically uncontrolled advanced glaucoma underwent a single-site phacoemulsification with repeat trabeculectomy and mitomycin C. One-week postoperatively, vision in the right eye improved to 20/120, good bleb and intraocular pressure (IOP) of 14 mm Hg. By third postoperative week, patient presented to the emergency with diminished vision, pain and redness in right eye of 2 days duration and was diagnosed to have bleb-related endophthalmitis (BRE). Vitreous biopsy, smear from the bleb were taken and underwent pars plana vitrectomy with intraocular antibiotic injection. Smears and cultures were negative however, aqueous DNA-PCR was positive for Mycobacterium tuberculosis Revisited history revealed treated pulmonary tuberculosis 3 years ago with a positive Mantoux test (17 mm) and hilar prominence on chest X-ray. One month after starting anti-tubercular therapy (ATT), the BRE resolved and vision improved to 20/60 with IOP of 14 mm Hg and the ATT was continued. © BMJ Publishing Group Limited 2020. No commercial re-use. See rights and permissions. Published by BMJ.Intussusception is defined as the invagination of one part of the gastrointestinal tract into another. Jejunogastric intussusception is a rare phenomenon following major upper abdominal surgery, where its aetiology is not well understood. We describe a 68-year-old woman who presented with abdominal pain and haematemesis on the background of a previous pancreaticoduodenectomy (Whipple procedure) for pancreatic cancer. Gastroscopy demonstrated retrograde jejunogastric intussusception, where part of the efferent jejunal limb had prolapsed into the remnant stomach. As a consequence, this intussuscepted segment had become oedematous and ischaemic. The patient subsequently underwent a laparotomy, where the original gastrojejunostomy was resected, which showed the intussuscepted jejunum. The non-viable portion was removed and a Roux-en-Y anastomosis was created. This case highlights the need to 'think outside the box' with respect to differential diagnoses when a patient presents with abdominal pain on the background of previous complex abdominal surgery. © BMJ Publishing Group Limited 2020. No commercial re-use. See rights and permissions. Published by BMJ.Penile metastases from prostate cancer (PC) are rarely reported in the literature. Vacuolin-1 research buy Most commonly diagnosed due to presentation with malignant priapism and other urinary symptoms or from findings on clinical examination, prognosis has been reported to be poor. The authors outline a case of penile metastasis from advanced PC. Initially treated with neoadjuvant androgen deprivation therapy for locally advanced PC, this patient displayed upfront castrate resistance, and subsequent prostate-specific membrane antigen positron emission tomography revealed penile metastatic deposits. The patient was treated with external beam radiotherapy, and worsening urethral stricture disease resulted in the placement of a suprapubic catheter. © BMJ Publishing Group Limited 2020. No commercial re-use. See rights and permissions. Published by BMJ.Synchronous primary cancers occur in 1.7% of breast cancer cases and metaplastic breast cancer (MBC) occurs in less than 1% of breast cancer cases. We present a previously healthy 66-year-old woman diagnosed with MBC after surgical resection of a presumed cyst. A second primary cancer, multifocal lung adenocarcinoma, was discovered during the staging process for her MBC. Remarkably she had not experienced pulmonary or constitutional symptoms at the time of diagnosis. She received chemotherapy with paclitaxel and carboplatin, followed by immunotherapy with nivolumab. At 24 months of follow-up after her initial diagnosis, she was breast cancer-free with stable pulmonary nodules. This case highlights that rather than assuming multifocal lesions represent metastasis, biopsies should be considered as clinical management could be significantly altered in the presence of a synchronous cancer. Furthermore, platinum-based chemotherapy agents have potential to be considered in the treatment of MBC. © BMJ Publishing Group Limited 2020. No commercial re-use. See rights and permissions. Published by BMJ.Amniotic band sequence (ABS) is common birth defect of incompletely understood origin. Here we describe a case of ABS in a child with paternally inherited Ehlers-Danlos syndrome, vascular type (vEDS). This is the third reported instance of ABS associated with paternally inherited vEDS in the medical literature. The two main theories of ABS formation are the extrinsic and intrinsic. The extrinsic theory states that placental tears form fibrous cords that wrap around the fetus; the intrinsic states that poor vascularisation in the fetus leads to necrosis of distal extremities. We believe this case supports extrinsic theory as it shows that as an amnion weakened by vEDS in fetal components is associated with ABS. © BMJ Publishing Group Limited 2020. No commercial re-use. See rights and permissions. Published by BMJ.A 62-year-old man presented with classic signs and symptoms of eosinophilic granulomatosis and polyangiitis (EGPA, also known as Churg-Strauss syndrome)-mononeuritis multiplex, palpable purpura, hypereosinophilia, positive P-ANCA (perinuclear anti-neutrophil cytoplasmic antibodies) developed diffuse alveolar haemorrhage. The patient had longstanding mild hyponatraemia, but developed moderate and symptomatic hyponatraemia characteristic of the syndrome of inappropriate antidiuretic hormone. The patient's serum sodium returned to his baseline- mildly hyponatraemic, after initiation of treatment targeted towards EGPA. © BMJ Publishing Group Limited 2020. No commercial re-use. See rights and permissions. Published by BMJ.
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