Cholesterol granuloma is a histological term used for the description of a tissue response to a foreign body such as cholesterol crystals. Cholesterol granuloma is histologically characterized as fibrous granulation tissue containing cholesterol crystals within surrounding giant cells. Cases of cholesterol granuloma of the pancreas are very rare. We report a case of a 47-year old male who had a cholesterol granuloma of the pancreas. Abdominal CT showed 24 mm-sized cyst in the pancreas and peri-pancreatic regional mass infiltrating to the stomach. PET-CT revealed increased 18F-FDG uptake at the cyst and peri-pancreatic mass. Thus, Whipple's operation was done. The disease was confirmed by surgical pathologic examination of the tissue. Pathologic examination of resected specimen showed numerous cholesterol crystals surrounded by multinucleated foreign body giant cells. We report on this case and give a brief review of the literature.
Original Articles & Case ReportsDiabetic foot ulcers (DFU) are common and serious complications of diabetes mellitus. The prognosis of DFU may be very poor even during early stages depending on the general conditions of patients, and amputation is often required to manage DFU. Various therapeutic approaches to DFU have been introduced, and among these negative-pressure wound therapy using vacuum-assisted closure (VAC-NPWT) is particularly noteworthy. We performed VAC-NPWT in three patients with complicated DFU. We used a modified VAC-NPWT protocol, which used wall suction and curaVAC ® . Dressing changes were performed every week, which was longer than standard method. All of our cases improved with granulating wound beds and were cleared of bacterial infection by the end of modified VAC therapy. These modifications reduced the costs of VAC-NPWT without introducing associated side effects. We recommend the active application of VAC-NPWT for complicated DFU, although this recommendation should be confirmed by large randomized controlled studies. (J Korean Diabetes 2011;12:122-127)
Central pontine myelinolysis (CPM) by complicating rapid correction of severe hyponatremia has been widely reported. Additionally, CPM was occasionally reported among patients with post-liver transplantation, burns, chronic renal failure with dialysis, or other diseases associated with or not associated with other electrolyte changes or hyperosmolarity. However, there have been a few reports of CPM occurring in diabetic patients without documented electrolyte changes. This report is, to the best of our knowledge, the first report of CPM in type 2 diabetic patients without electrolyte changes in Korea. A 40-year-old man with type 2 diabetes mellitus with abruptly developed dysarthria and ataxia was admitted to our facility. He suffered from poor glucose control and multiple diabetic complications. Brain magnetic resonance imaging (MRI) revealed a well-defined bilateral symmetric hyperintense lesion in the central portion of the pons on T2-and diffusion-weighted images, which was consistent with CPM. After the patient's blood glucose and blood pressure normalized, his dysarthria and ataxia improved. Six months after discharge, follow-up MRI showed a persistent, but greatly reduced symmetric lesion in the central pons. It is certainly possible for CPM to be overlooked clinically in diabetic patients, but more cases could be diagnosed if careful attention was paid to this syndrome. (Endocrinol Metab 26:263-267, 2011)
Graves' disease (GD) can lead to specific eye afflictions including proptosis, periorbital swelling, conjunctival injection, chemosis, and opthalmoplegia, which then become a condition called Graves' ophthalmopathy or thyroid-associated ophthalmopathy (TAO). A carotid cavernous fistula (CCF) is an abnormal vascular communication between the carotid artery and the cavernous sinus. The clinical signs of CCF are very similar to TAO and should be considered as a differential diagnosis of TAO. We would like to present an interesting case of a bilateral ophthalmopathy induced by CCF in a GD patient. A 54-year-old man with a 6-year history of GD presented with bilateral exophthalmos and conjunctival injection for two months. The orbital CT scan findings were consistent with CCF, and an angiography revealed bilateral CCF. He received a bilateral coil embolization for the CCF and his ophthalmic signs were immediately improved. We recommend orbital imaging to exclude other coexisting diseases in patients who are suspected of TAO, especially when the diagnosis is uncertain or when determining whether medical or surgical intervention is appropriate. (Endocrinol Metab 26:335-339, 2011)
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