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Biomedical subjects

L Basso

Publications and source records attributed to L Basso.

At least 19 recordsLinked to original sources

Space occupying lesions of parotid gland. Comparative diagnostic imaging and pathological analysis of echo color/power Doppler and of magnetic resonance imaging.

Aim of the study was to evaluate the role of echo color/power Doppler and magnetic resonance imaging in the diagnosis of space occupying parotid lesions, in the attempt to establish criteria for differential diagnosis between benign and malignant types. The study population comprised 49 patients (23 male, 26 female), age range 30-85 years, with a space occupying lesion of the parotid gland. Each lesion was carefully studied with ultrasound integrated with colour/power doppler and magnetic resonance imaging; patients were then submitted to echo-guided needle-biopsy and surgical excision. A preliminary evaluation by means of ultrasound revealed the site, size of lesion, echostructure and borders. Echo colour/power Doppler and magnetic resonance imaging can play a very important role both in diagnosis and pre-operative surgical planning of parotid lesions, although cost and availability, the former to be recommended vs. magnetic resonance imaging, which is poorly accessible, expensive, and not always accepted by the patients.

Adult↗

Giant GIST of the mesocolon: report of a case.

UNLABELLED: Gastrointestinal stromal tumors are rare neoplasms arising from mesenchymal cells of the gastrointestinal tract, that strongly express a class III receptor tyrosine kinase, called KIT, due to some mutations in the KIT proto-oncogene. Two thirds of GISTs are found in the stomach, 20% to 50% in the small bowel (one third in the duodenum), and 5% to 15% in colon and rectum; GISTs, however, may rarely be found also in the oesophagus, omentum, mesentery or the retroperitoneum. Their treatment is strictly surgical, and only R0 resection can achieve good RESULTS: Treatment with Imatinib seems to be promising in case of unresectable or metastatic GIST, even if some trials are studying its effects after curative resection. GIST of the mesocolon are rare, and as in the other locations, require extensive surgery. The Autohrs report a case of giant malignant GIST arising from transverse mesocolon, treated by en-bloc resection of the tumor with a segment of transverse colon and great omentum.

Aged↗

[Magnetic resonance and traditional radiology in the spine localizations of alkaptonuric ochronotic arthropathy].

AIM: To study the spine alterations in alcaptonuria with traditional radiology and magnetic resonance (MR), comparing the results of the two techniques. PATIENTS AND METHODS: Five patients (4 males, 1 female, mean age 51 years) underwent the examinations. For the study with X-rays we performed anteroposterior and lateral scan and the images have been studied making reference to a radiographic score; it examines the alterations of the joint space and the presence of calcifications. MR scan, oriented in the three spatial planes, were performed using spin echo T1-weighted and spin echo T2-weighted sequences. RESULTS: Both MR and X-rays pointed out, in the cases with known diagnosis, the typical alterations of the ochronosis: narrowing of the articular spaces, even osseous ankylosis, calcifications of the discs, osteophytosis, multiple disc protrusions and reactive sclerosis of the articular surfaces, evident above all to dorso-lumbar tract; nevertheless MR has been more accurate than X-rays for individualizing the lesions and recognizing alterations, such as the thickness of the anterior longitudinal ligament. In the case of new diagnosis, the MR is fundamental to recognize typical signs of the ochronotic arthropathy not well detected by X-rays. CONCLUSIONS: Imaging techniques, first of all the MR, are essential in the differential diagnosis of ochronosis vertebral lesions with other articular diseases.

Adult↗

Characterization of tumoral lesions of the breast: preliminary experience with multislice spiral CT.

The aim of the present study was to validate low dose Multislice Spiral Computed Tomography (MSCT) in the diagnosis of breast lesions. Fourteen patients with mammographic and ultrasound findings suspect of malignant neoplasm underwent dynamic MSCT of the breast under basal conditions and 1, 3, and 6 minutes after intravenous injection of iodinated contrast medium. Both enhancement of the lesion >100% without further increase after 6 minutes, and irregular margins of the lesion were considered signs of malignancy. All lesions were examined cytologically and/or histologically. A correct diagnosis was achieved by MSCT in 7/8 malignant lesions, and in 6/6 benign lesions. The only malignant lesion missed by MSCT was histologically a ductal carcinoma in situ (false negative). In one case the MSCT showed the multifocality of an infiltrating ductal carcinoma, and in another it defined the bilaterality of the malignant lesions. Sensitivity and specificity of MSCT in the diagnosis of malignancy of a lesion were 88% and 100%, respectively. Our results suggest that MSCT is an effective diagnostic method to define suspicious breast lesions, and a valid alternative to Magnetic Resonance Imaging, especially when the latter is not feasible.

Breast Neoplasms↗

[Spontaneous rupture of duodenum: case report and review].

Although rare, injuries of the duodenum increased in frequency during the past ten years. Careful attention must be paid to them, especially in blunt trauma of the abdomen and lower thoracic regions. Often they occur along with lesions of other related structures in polytraumatized patients. X-rays are the most important mean used in diagnosis. Early diagnosis and surgical treatment are conditio sine qua non for successful results. Complete intraoperative inspection of the duodenum, careful suture of the perforation and a correct placement of drainage are essential for the prevention of postoperative complications. If the duodenal wall had lost its vitality, a gastrojejunal or duodenojejunal anastomosis or gastrostomy are performed; the duodenum is decompressed and drainage of the peritoneal cavity is established. In cases of associated injury of the pancreas or choledochus, the drainage of the extrahepatic bile duct is recommended. The Authors report a case of spontaneous rupture of duodenum in which all of the above mentioned procedures were used; they stress that only suspicion of a duodenum's rupture indicates an immediate laparotomy.

Diagnosis, Differential↗

Subcutaneous emphysema after associated colonoscopy and transanal excision of rectal adenoma.

Non-traumatic subcutaneous emphysema (NSE) is a rare complication of procedures of the digestive tract. To the best of our knowledge, it has never been reported to occur after transanal surgery. Herein we present the first known case of NSE accompanied by retropneumoperitoneum and pneumomediastinum to develop after colonoscopy and full-thickness transanal removal of a rectal polyp.

Adenoma, Villous↗

Life-threatening urinary retention after haemorrhoidectomy and internal sphincterotomy.

Postoperative urinary retention (UR) is a common complication following haemorrhoidectomy. This report presents a female patient who developed long-lasting UR after haemorrhoidectomy and internal sphincterotomy, which progressed to renal failure. The precipitating cause was represented by a non-healing anal ulcer and excruciating anal pain at evacuation. An unhealed anal wound, an inappropriate low-fibre diet, and excruciating anal pain commonly represent the key factors initiating the sequence ending into UR. History, presentation, diagnostic work-up, and treatment for this patient are described.

Adult↗

Sources of clinical referrals to an urban coloproctology unit in Italy.

Prompt and appropriate referrals to colorectal surgeons result in better clinical and more cost-effective outcome: the question that then arises is how patients with large bowel diseases get in contact with the specialist. The aim of the present research was to investigate the sources of clinical referrals of 1000 patients attending a dedicated coloproctology unit. One thousand consecutive new patients attending the private Coloproctology Unit of Rome were prospectively evaluated from May 1995 through December 1999. For each patient, the following data were collected: age, gender, source of referral, and disease classified as benign anal diseases, neoplasms, functional disorders or inflammatory bowel disease (IBD). There were 569 patients with benign anal disease, 334 with functional disorders, 57 with neoplasms, and 40 with IBD. Sources of referral were: surgeons (32.6%), previous patients (23.6%), other specialists (22.8%), general practitioners (11.8) and others (9.2%). Overall, referrals from non-medical sources were 32.8%, whereas 67.2% of the cases were referred by other colleagues. Most of the referring specialists were surgeons or gastroenterologists, who sent 304 patients, whereas 9.4% of the cases were referred by other colorectal surgeons. Previous patients who were satisfactorily cured sent 23.6% of the cases. Only 1.1% of patients were referred by health insurance companies and 0.2% found the Unit through Internet. Colleagues who referred patients to the coloproctologist sent mainly cases with benign anal diseases and functional disorders. Few patients were referred for colorectal cancer and IBD as these diseases are routinely treated by general surgeons and their management is expensive in a private hospital for patients without insurance coverage. In conclusion, GPs, media, health insurance and Internet may be the most valuable targets of an information campaign, as their role as sources of referral was lower than expected.

Adolescent↗

Goiters in the Renaissance.

Enlargements of the thyroid gland known as goiters appear in artworks and artifacts of many cultures. They are represented in sculptures, bas-reliefs, masks, waxes, mosaics, bronzes, stained glass windows, paintings and drawings of the last two millennia. These are described in several monographs and in Merke's scholarly History and Iconography of Endemic Goitre and Cretinism (Barbieri 1993, Gianpalmo and Fulcheri 1988, Gianpalmo 1992, Medvei 1982, Merke 1984). Most numerous among these works are the portrayals of goiters in paintings and drawings of the Renaissance. This essay lists eleven additional Renaissance artworks in which goiters are represented, as well as reviewing reasons for this occurrence and examines the unusual case of Piero della Francesca.

Goiter↗