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Metabolic associated fatty liver disease frequently occurs in patients with hypopituitarism and growth hormone (GH) deficiency. Some patients may develop to hepatopulmonary syndrome (HPS). HPS has a poor prognosis and liver transplantation is regarded as the only approach to cure it.

A 29-year-old man presented with progressive dyspnea for 1 mo. At the age of 10 years, he was diagnosed with panhypopituitarism associated with pituitary stalk interruption syndrome. Levothyroxine and hydrocortisone were given since then. To achieve ideal height, he received GH treatment for 5 years. The patient had an oxygen saturation of 78% and a partial pressure of arterial oxygen of 37 mmHg with an alveolar-arterial oxygen gradient of 70.2 mmHg. Abdominal ultrasonography showed liver cirrhosis and an enlarged spleen. Perfusion lung scan demonstrated intrapulmonary arteriovenous right-to-left shunt. HPS (very severe) was our primary consideration. His hormonal evaluation revealed GH deficiency and hypogonadotropic hypogonadism when thyroid hormone, cortisol, and desmopressin were administrated. After adding with long-acting recombinant human GH and testosterone for 14 mo, his liver function and hypoxemia were improved and his progressive liver fibrosis was stabilized. He was off the waiting list of liver transplantation.

Clinicians should screen HPS patients' anterior pituitary function as early as possible and treat them primarily with GH cocktail accordingly.

Clinicians should screen HPS patients' anterior pituitary function as early as possible and treat them primarily with GH cocktail accordingly.

Transduodenal local excision is an alternative treatment approach for benign ampullary tumors. However, this procedure has technical difficulties, especially during reconstruction of the pancreaticobiliary ducts. An operating microscope has been widely used by surgeons for delicate surgery due to its major advantages of magnification, illumination, and stereoscopic view. The application of an operating microscope in transduodenal excision of ampullary tumors has not been reported.

A 55-year-old woman was admitted for investigation of recurrent upper abdominal pain. Physical examination and laboratory tests found no abnormalities. Imaging identified a large mass in the descending part of the duodenum. Esophagogastroduodenoscopy revealed a 3.5-cm-sized villous growth over the major duodenal papilla. Pathology of the endoscopic biopsy indicated a villous adenoma with low-grade dysplasia. Microscopic transduodenal excision of the ampullary tumor was performed. selleck inhibitor The final pathological diagnosis was villous-tubular adenoma with low-grade dysplasia. The patient was discharged on postoperative day 12 after an uneventful recovery. Endoscopic retrograde cholangiopancreatography was performed 3 mo postoperatively and showed no bile duct or pancreatic duct strictures and no tumor recurrence. The patient is continuing follow-up at our clinic and remains well.

Operating microscope-assisted transduodenal local excision is a feasible and effective option for benign ampullary tumors.

Operating microscope-assisted transduodenal local excision is a feasible and effective option for benign ampullary tumors.

Central pontine myelinolysis (CPM) usually occurs during rapid correction of serum osmolality, typically with brainstem lesions presenting uniform signals following enhancement on magnetic resonance imaging (MRI). We report a case of CPM caused by diabetes, which was characterized by glioma-like imaging features and the patient responded well to corticosteroids.

A 49-year-old man with type 2 diabetes was admitted due to numbness and weakness for 6 mo with progressive aggravation for 2 wk. His complete blood count, serum electrolytes, renal and liver function parameters were within the normal range. MRI showed mass lesions in the brainstem, with unusually inhomogeneous signal intensity after contrast-enhanced scans. His symptoms worsened after hypoglycemic therapy. Due to his clinical history and examination results, CPM was considered the most likely diagnosis. Treatment with corticosteroids was administered with a methylprednisolone pulse in the acute phase followed by dose tapering. During the 8-mo follow-up period, his clinical symptoms and imaging features significantly improved.

Diabetes could rarely be accompanied by CPM, and patients who experience this neurological complication could benefit from corticosteroid treatment. Clinicians should recognize the special relationship between diabetes and CPM, and improve awareness of early identification and appropriate treatment.

Diabetes could rarely be accompanied by CPM, and patients who experience this neurological complication could benefit from corticosteroid treatment. Clinicians should recognize the special relationship between diabetes and CPM, and improve awareness of early identification and appropriate treatment.

Merkel cell carcinoma (MCC) is a rare and aggressive cutaneous neuroendocrine neoplasia, with high risk of recurrence and metastasis and poor survival. Immune checkpoint inhibitors, like the anti-programmed death-ligand 1 agent avelumab, were recently approved for the treatment of advanced MCC. We, herein, report the first case of advanced MCC with oligoprogression managed with avelumab and local radical treatment.

A 61-year-old man was presented to the hospital with sporadic fever and an exudative malodorous mass (10 cm of diameter), located on the right gluteal region. The final diagnosis was MCC, cT4N3M1c (AJCC, TNM staging 8

edition, 2017), with invasion of adjacent muscle, in-transit metastasis, and bone lesions. Patient started chemotherapy (cisplatin and etoposide), and after six cycles, the main tumor increased, evidencing disease progression. Two months later, the patient started second line treatment with avelumab (under an early access program). After two cycles of treatment, the lesion started to decrease, achieving a major response. Local progression was documented after 16 cycles. However, as the tumor became resectable, salvage surgery was performed, while keeping the systemic treatment with avelumab. Since the patient developed bilateral pneumonia, immunotherapy was suspended. More than 2.5 years after surgery (last 19 mo without systemic therapy), the patient maintains complete local response and stable bone lesions.

This report highlights the efficacy and long-term response of avelumab on the management of a chemotherapy resistant advanced MCC, with evidence of oligoprogression, in combination with local radical treatment.

This report highlights the efficacy and long-term response of avelumab on the management of a chemotherapy resistant advanced MCC, with evidence of oligoprogression, in combination with local radical treatment.