3 Jan 2009 at 1:41pm
CONCLUSIONS. Real-time 2-D ultrasonography affords an adequate image quality for performing guided-craniotomy in supratentorial brain tumours, as it allows for a safe and accurate localization of the lesions. Its use is mainly indicated in the removal of tumours located in, or close to, important anatomical and functional brain areas and to depict the presence of tumour rests after surgical removal of cerebral neoplasms.
PMID: 19112546 [PubMed - as supplied by publisher] (Source: Neurocirugia)
3 Jan 2009 at 9:16am
J reconstr MicrosurgDOI: 10.1055/s-0028-1103500ABSTRACTControversy surrounds the question whether free flaps remain dependent for blood supply on their vascular pedicle or if there is an autonomization by neovascularization from the surrounding wound bed. This becomes important when flap shaping or repositioning are performed. Our study involved 23 patients who received a deep inferior epigastric perforator (DIEP) flap for breast reconstruction. IC-View laser video angiography (Pulsion Medical Systems AG, Munich, Germany) was executed immediately and 18 months postoperatively. Two zones (close and distant to the pedicle) and the contralateral breast were compared quantitatively. Via duplex ultrasound, late perfusion changes were measured to analyze flow volume, velocity, and diameter of th...
3 Jan 2009 at 7:22am
High-intensity focused ultrasound (HIFU) competes with radiofrequency and cryotherapy for the treatment of small renal masses as a third option among ablative approaches. As an emerging technique, its possible percutaneous or laparoscopic application, low discomfort to the patient and the absence of complications make this technology attractive for the management of small renal masses. This manuscript will focus on the principles, basic research and clinical applications of HIFU in small renal masses, reviewing the present literature.
Therapeutic results are controversial and from an clinical view, HIFU must be considered a technique under investigation at present time. Further research is needed to settle its real indications in the management of small renal masses; maybe technical improv...
2 Jan 2009 at 11:01pm
Authors: Habashi S, Draganov PV
Pancreatic pseudocysts are complications of acute or chronic pancreatitis. Initial diagnosis is accomplished most often by cross-sectional imaging. Endoscopic ultrasound with fine needle aspiration has become the preferred test to help distinguish pseudocyst from other cystic lesions of the pancreas. Most pseudocysts resolve spontaneously with supportive care. The size of the pseudocyst and the length of time the cyst has been present are poor predictors for the potential of pseudocyst resolution or complications, but in general, larger cysts are more likely to be symptomatic or cause complications. The main two indications for some type of invasive drainage procedure are persistent patient symptoms or the presence of complications (infection, gastric ou...
2 Jan 2009 at 11:01pm
Cystic neoplasms of the pancreas: A diagnostic challenge.
World J Gastroenterol. 2009 Jan 7;15(1):48-54
Authors: Hutchins GF, Draganov PV
Cystic neoplasms of the pancreas are increasingly recognized due to the expanding use and improved sensitivity of cross-sectional abdominal imaging. Major advances in the last decade have led to an improved understanding of the various types of cystic lesions and their biologic behavior. Despite significant improvements in imaging technology and the advent of endoscopic-ultrasound (EUS)-guided fine-needle aspiration, the diagnosis and management of pancreatic cystic lesions remains a significant clinical challenge. The first diagnostic step is to differentiate between pancreatic pseudocyst and cystic neoplasm. If a pseudocyst has been effecti...
