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Primary hyperparathyroidism (PHPT) is the most common cause of parathyroid hormone (PTH) dependent hypercalcaemia, however there are few reported cases of its co-occurrence in patients with familial hypocalciuric hypercalcaemia (FHH). this website This case highlights the challenges in managing a rare case of dual pathology. A 49-year-old Caucasian woman with symptoms of hypercalcaemia presented with an adjusted serum calcium of 2.77 mmol/L and PTH of 11.5 pmol/L. Neck ultrasound and sestamibi scan were concordant with a left lower parathyroid adenoma, and a preoperative dual-energy X-ray absorptiometry scan confirmed osteopenia. Parathyroidectomy resulted in a PTH reduction from 11.5 pmol/L to 2.7 pmol/L. Interestingly, her lowest pre-operative adjusted serum calcium of 2.67 mmol/L remained unchanged 14 months post-parathyroidectomy. Twenty-four hours urine calciumcreatinine clearance ratio performed postoperatively was low and sequencing analysis of the calcium-sensing receptor gene confirmed the coexistence of FHH. Although surgery is not indicated in FHH, parathyroidectomy may help reduce hypercalcaemia and its associated complications if there is coexistent PHPT.A 27-year-old man presented with acute right upper quadrant abdominal pain and vomiting. He was clinically in hypovolaemic shock. Investigations revealed normocytic anaemia with a normal bilirubin and moderate liver function test abnormalities. CT abdomen and pelvis demonstrated haemoperitoneum and a large solitary hepatic mass in segments V and VI, suspicious for a ruptured hepatic tumour. Massive transfusion protocol was commenced and angioembolisation of the inferior branch of the right hepatic artery was undertaken. Despite this, his haemorrhagic shock was resistant to resuscitation. Thus, he underwent emergent exploratory laparotomy, which resulted in segments V and VI liver resection and packing. Re-look laparotomy 2 days following initial exploration was performed where haemostasis was confirmed. Histopathology revealed a ruptured well-differentiated hepatocellular adenoma. The patient made a good recovery following a 2-week admission.Purulent pericarditis caused by Streptococcus anginosus is extremely rare. A 66-year-old man underwent elective coronary artery bypass surgery. This was complicated by sternal wound dehiscence with drainage. Subsequently, he developed fever, progressive dyspnoea and presyncope. Echocardiography showed a large pericardial effusion with evidence of tamponade. He underwent emergent pericardiocentesis. The pericardial fluid culture grew S. anginosus He was treated with 4 weeks of intravenous ceftriaxone with complete clinical recovery. The source of infection was most likely the sternal wound which was overlooked during debridement and rewiring surgery.Andersen-Tawil syndrome (ATS) is a rare channelopathy, sometimes referred to as long QT syndrome type 7. ATS is an autosomal dominant disease predominantly caused by mutations in the KCNJ2 gene. Patients with ATS present with episodes of muscle weakness, arrythmias, including prolonged QT intervals, and various skeletal abnormalities. Unlike other channelopathies, ATS has a relatively mild clinical course and low risk of sudden cardiac death. In this study, we describe a female patient with typical symptoms of ATS with the addition of unusually severe arrhythmias. Extensive DNA testing was performed to find the possible cause of this unique presentation. In addition to a known mutation in KCNJ2, the patient carried a variant in KCNH2 The combination of genetic variants may lead to the severe clinical manifestation of ATS. Additional genetic information allowed accurate genetic counselling to be provided to the patient.Anaplastic lymphoma kinase-positive large B-cell lymphoma (ALK+ LBCL) is known to be a rare and aggressive form of lymphoma that relapses quickly after both conventional chemotherapy and more targeted therapy. Lenalidomide is an immunomodulator that has shown safety and efficacy in multiple myeloma and is also approved for use in several types of lymphoma. In the case described here, the patient had a significant partial response to lenalidomide, which has not previously been described in this type of lymphoma. Given how aggressive and difficult to treat ALK+ LBCL is, further research is warranted to more completely elucidate the mechanism of action of lenalidomide in ALK+ LBCL and its role in treatment.A 72-year-old man with chronic obstructive pulmonary disease and depression presented to the emergency department (ED) with progressive worsening of shortness of breath. He required intubation and mechanical ventilation. The patient improved with therapy, but his endotracheal aspirate culture was positive for Nocardia cyriacigeorgica The patient was started on high dose Bactrim and discharged. He presented to the office 5 days later with confusion, and his serum sodium was 113 mmol/L. Based on a euvolemic physical examination, consistent serum and urine studies, he was diagnosed with syndrome of inappropriate antidiuretic hormone secretion (SIADH) likely from citalopram. However, treatment for SIADH failed to improve his serum sodium level. A bedside ultrasound revealed an inferior vena cava diameter of 0.7 cm with a complete inspiratory collapse that was inconsistent with SIADH. The patient was correctly diagnosed with salt-losing nephropathy from trimethoprim, and the medication was discontinued. He received therapy initially with intravenous normal saline and then salt tablets. His sodium improved within 2 weeks.A middle-aged woman with end-stage renal disease (ESRD) due to obstructive nephropathy presented to the hospital for an episode of unresponsiveness and hypoglycaemia. Initially, she was diagnosed with hypoglycaemia associated with ESRD and was discharged. However, she returned to the hospital after experiencing tonic-clonic seizures and recurrent hypoglycaemia. Her hypoglycaemia workup revealed an elevated insulin-like growth factor 2 (IGF2) to IGF1 ratio consistent with paraneoplastic IGF2 secretion. Subsequently, a CT abdomen revealed a retroperitoneal mass, found to be a retroperitoneal sarcoma. Her hypoglycaemia was treated with glucocorticoids and growth hormone. Surgical debulking of her tumour was attempted, but she expired due to postoperative haemorrhagic shock. Doege-Potter syndrome is a rare cause of hypoglycaemia which should be suspected in any new-onset, worsening, inexplicable or refractory hypoglycaemia, particularly in non-diabetic ESRD. Here we present a report of retroperitoneal sarcoma presenting with hypoglycaemia in a patient with ESRD without diabetes.
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