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Biomedical subjects

D Kilic

Publications and source records attributed to D Kilic.

8 recordsLinked to original sources

Pedunculated solitary fibrous tumours arising from the pleura.

Solitary fibrous tumour (SFT) is one of the rare tumours which arise from visceral pleura. Klemperer and Rabin first described SFT as a distinct clinical entity among primary pleural tumoUrs in 1931. Approximately 820 cases have been reported in literature to date. The management of patients with SFT is complete resection of the tumour and follow up of the patient to detect any possible late recurrence. In the present paper, we report two cases of pedunculated solitary fibrous tumours of the pleura that appeared as a wandering chest nodule to which surgical resection undertaken at our hospital. The aim is to summarise our experience in the management of solitary fibrous tumour.

Aged↗

Sunflower seed mimicking complicated hydatid cyst.

We present a case of a foreign body in lung parenchyma, found incidentally during surgery in an adult woman. The clinical and radiological findings were consistent with a pulmonary hydatid cyst. Owing to the similar clinical and radiological appearances, a thoracotomy was required for the correct diagnosis of a sunflower seed mimicking hydatid disease.

Adult↗

Extrapleural hematoma: when is surgery indicated?

Extrapleural haematoma (EH) is a rare clinical condition of which four cases are presented. Different etiologies were encountered. Identical findings were found on the chest X-ray. Two cases were secondary to spontaneous rib fracture and the other two were iatrogenic. Surgical exploration was necessary in one patient following pleural biopsy. Medical treatment and clinical observation were the treatment of choice in the remaining three stable patients.

Adult↗

Candida colonisation within a silicone tissue expander.

The fungal contamination of tissue expanders is rarely reported. There are, however, occasional reports of fungi in association with inflatable mammary implants. We describe the colonisation of a tissue expander with Candida albicans, resulting in the fluid becoming a turbid brown colour. The possible modes of inoculation and survival of the microorganism within the expander shell were investigated by means of biochemical and microbiological analyses of the fluid. The colonisation of silicone implants by opportunistic fungi is probably more common than has been reported, and precautions that can be taken to avoid this complication are emphasised.

Breast Implants↗

The effect of granulocyte macrophage-colony stimulating factor on glutathione and lipid peroxidation in a rat model.

AIMS: Irradiation decreases incisional healing and produces oxygen radicals that damage cells. Because of the lipid component in the membrane, lipid peroxidation is reported to be particularly susceptible to radiation damage. Glutathione acts as a cosubstrate in the enzymatic repair of radiation damage. The aim of this study is to examine the role of granulocyte macrophage-colony stimulating factor (GM-CSF) in incisional skin wounds by investigating lipid peroxidation and reduced glutathione levels in the irradiated rats. METHODS: Rats were irradiated with cobalt 60 and a dorsal skin incision was made 2 days after irradiation. Rats were divided into four groups: group 1: control; group 2: GM-CSF administered; group 3: irradiated control group; group 4: irradiated and GM-CSF administered group. RESULTS: By irradiation, a marked lipid peroxidation increase was demonstrated. Two days after irradiation, in animals given total body irradiation (TBI), application of a single topical dose of GM-CSF decreased lipid peroxidation of the tissue decreased significantly. By drug administration, the GSH content of the skin increased both in the irradiated and non-irradiated groups. CONCLUSIONS: Our results suggest that GM-CSF modulate lipid peroxidation and GSH of the skin wound.

Animals↗

Sulfasalazine decreases acute gastrointestinal complications due to pelvic radiotherapy.

BACKGROUND: Radiation-induced gastrointestinal toxicity is a significant concern for patients who are treated with this modality for pelvic malignancies. Eicosanoids and free radicals are thought to be among the reasons for this effect. Sulfasalazine is an inhibitor of their synthesis in the mucosa. OBJECTlVE: To determine whether sulfasalazine can reduce the radiation-induced acute gastrointestinal complications. METHODS: In this prospective, double-blind study, 31 patients receiving pelvic radiotherapy were randomized to receive two sulfasalazine 500-mg tablets twice daily or placebo, administered orally from the first day of irradiation. Patients were evaluated weekly, and gastrointestinal toxicities were graded according to the Late Effect of Normal Tissue-Subjective Objective Management Analytic (LENT-SOMA) toxicity table during pelvic radiotherapy. On the last day of week 5, the subjects were graded endoscopically, and biopsies taken from the rectum were classified histopathologically. RESULTS: Groups did not differ in age, gender, tumor site, or irradiation procedure. During radiotherapy, grade 2 or higher gastrointestinal toxicity occurred in 20% (3/15) and 63% (10/16) of the sulfasalazine and placebo groups, respectively. This difference was significant (p = 0.017). No statistically significant differences were found in endoscopic and histopathologic evaluations. CONCLUSIONS: Sulfasalazine is effective in decreasing clinically acute gastrointestinal toxicities. Long-term follow-up with the subjects will help to determine the net effect of sulfasalazine on the radiation-induced gastrointestinal injuries.

Aged↗

Neoadjuvant radiotherapy in anorectal malignant melanoma.

Primary anorectal malignant melanoma is a rare neoplasm that carries a poor prognosis with a high metastatic potential. A case of a 60-year-old male who was admitted to the emergency service with signs of colonic obstruction forced us to reconsider diagnostic and therapeutic implications in anorectal melanoma. Following urgent decompression with laparoscopic sigmoid loop colostomy, the patient was treated with preoperative radiotherapy and local excision. He has since been free of disease for 30 months. The previously published reports are reviewed and the current therapeutic options are discussed.

Anus Neoplasms↗