Wing-Keung Cheung

• M.D.
• Visiting staff at Far Eastern Memorial Hospital

Spontaneous ureteral rupture is defined as the nontraumatic leakage of urine from the ureter. This is a rare urological disorder, and only a small number of cases have been reported. Here, we report a rare case of a patient with spontaneous ureteral rupture who presented at our emergency department with abdominal distension and flank pain; the fina...

Systemic lupus erythematosus (SLE) is an autoimmune disease frequently associated with neuropsychiatric manifestations. No follow-up case report has characterized white matter alterations in patients with neuropsychiatric lupus erythematosus (NPSLE) before and after treatment. In this study, a 16-year-old NPSLE patient with severe neuropsychologica...

Primary melanoma of the central nervous system is a rare melanocytic tumor typically located in the leptomeninges. We report a 57-year-old woman with an intracranial leptomeningeal melanoma who presented with myoclonic seizures. Brain CT scan and MRI revealed a hemorrhagic intracranial tumor. The tumor was completely removed and leptomeningeal mela...

Different MR imaging patterns of cerebral fat embolism have been reported in the literature without a systematic review. Our goal was to describe the patterns, explore the relationship between disease course and the imaging patterns, and discuss the underlying mechanism. We reveal 5 distinctive MR imaging patterns: 1) scattered embolic ischemia occ...

Right diaphragmatic hernia is a rare injury (0.25%-1%) after blunt abdominal trauma. The diagnosis may be delayed and achieved years after the trauma. We currently report a case of a 48-year-old man who presented to the emergency department at Far Eastern Memorial Hospital, New Taipei City, Taiwan, demonstrating signs of herniation of the right dia...

Spontaneous rupture of the short gastric artery is an extremely rare event that can cause abdominal apoplexy or spontaneous hemoperitoneum. For the emergency physician, simultaneous restoration of circulatory volume and a rapid diagnosis remain central to a successful outcome in such critical cases. We reported a 21-year-old man who initially prese...

Arterio-enteric fistula is a rare but critical cause of gas- trointestinal bleeding. Most of the cases in the literature resulted from complications of aortoiliac surgery 1 . A few cases developed in patients who had pelvic irra- diation 2 or non-Hodgkin's lymphoma 3 . Very rarely, the fistula occurred in patients with advanced ovarian cancer 4 . W...

Objective: Because of the improvements in cardiac transplantation technology, pharmacology, and diagnostic imaging, the survival rate of patients who have undergone heterotopic heart transplantation has significantly increased, which makes postoperative evaluation of these patients increasingly important. Monitoring patients who have undergone het...

The purpose of this study was to review the computed tomography (CT) appearance of mycotic aneurysm of the aorta caused by Salmonella infection. Eight patients were suggested to have mycotic aneurysm of the aorta by clinical presentation of fever, abdominal or back pain, leukocytosis, and pulsatile abdominal mass in addition to positive blood or ti...

We report a case of acute intracranial subdural haematoma after lumbar myelography with Iopamidol. The haematoma was successfully treated by emergency craniotomy. The bleeding came from cortical bridging veins as confirmed by surgery. This rare complication should be suspected in patients who complain of prolonged headache or develop a neurological...

Beckwith-Wiedemann syndrome is a rare disease characterized by a constellation of congenital and time-dependent abnormalities such as defects of the abdominal wall, gigantism, craniofacial dysmorphism, visceromegaly and hemihypertrophy. The syndrome is divided into complete and incomplete forms and, as it may only have subtle phenotypic features, i...

Cardiovocal syndrome is a rare clinical diagnosis that signifies vocal cord palsy associated with various cardiovascular diseases. The radiological manifestations of six cases of clinically diagnosed cardiovocal syndrome are reviewed retrospectively. The common clinical presentation of these six cases was hoarseness that was due to left vocal cord...