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Introduction: Oesophageal duplication (OD) is a rare congenital abnormality that arises during the third week of embryonic life. Between 25–30% of patients remain undiagnosed until adulthood. The most common site is in the middle oesophagus. Methods: A 35-year-old woman was admitted complaining of dysphagia, epigastric pain and vomiting. Chest CT showed mid- oesophageal pseudodiverticulum with oesophageal double lumen from the thoracic inlet to the diverticulum. Oesophagoscophy revealed a true oesophageal lumen and pseudodiverticulum. Oesophagogram showed double lumen extending to the diaphragm. Bronchoscopy and abdominal ultrasound were normal. Results: Surgical findings confirmed OD. Adhesions to mediastinal organs were present. The oesophagus was isolated, pseudodiverticulum with the mucosal duplication resected and the muscle coat reconstructed. The postoperative recovery was swift, discharge in 10 days. Follow-up at one year with a chest X-ray confirmed normal oesophageal lumen. The patient remains symptom-free. Discussion: With OD the primary oesophagus and duplication are in the same muscle sheath and may communicate. Malignant degeneration has been reported. Two-thirds present with dysphagia and chest pain. Mediastinal mass and oesophageal diverticulum are the differential diagnoses. Chest radiograph reveals a mediastinal mass, oesophagogram shows abnormal oesophageal transit and some- times double lumen if communicating with the oesophagus. CT scan is the gold standard. Oesophagoscopy occasionally might show the inlet and the possible outlet between duplication and oesophagus. Biopsy is contraindicated. Treatment, in symptomatic patients, is surgical and consists in the excision of the duplication with preservation of the muscular layer. Results are good with complete resolution of symptoms.

Introduction: Primary pulmonary lymphoma is an uncommon lung neoplasm. Methods: From July 2000 to April 2006 we have observed three cases of primary lymphoma. 3 patients (2 F, 1 M; mean age 34.3 years, range 27–40) were examined with chest X-ray, CT scan and bron- choscopy. Most common symptoms were cough, fever, asthenia, weight loss and clubbing. Radiological findings were similar to primary pul- monarycarcinoma.Bronchoscopyrevealedbronchialstenosis(2)and no abnormal findings (1). Definitive diagnosis was possible by patho- logic and immunohistochemical examination of the lung tissue obtained at surgery in 2 cases, in the remaining a preoperative diagnosis was attained by transbronchial biopsy. Tumor localization was in left upper lobe (2) and middle lobe (1). Two patients underwent radical pneumonectomy and 1 left upper lobectomy. Surgical specimens were histologically proven to be Hodking’s lymphoma in all cases. All patients received postoperative chemotherapy and 1 also preoperative. Results: No perioperative mortality and morbidity with regular postoperative course. All patients are alive without evidence of dis- ease at 27, 15 and 13 months. Discussion: Primary pulmonary lymphoma is a rare type of malignant lung neoplasm without characteristic clinical features. Preoperative diagnosis is difficult because of the lack of specific characteristics and similarity to primary lung cancer. Treatment modalities include surgical treatment, radiotherapy and chemotherapy.

Introduction: Solitary fibrous tumors (SFT) of the pleura are rare and potentially malignant (5% of pleural neoplasm). Methods: From June 1988 to April 2006 18 patients underwent 21 surgical procedures. 6 males and 12 females; median age was 60 years (range 39–72). Predominant clinical symptoms were dyspnoea, chest pain and cough in 12 cases, hypoglycemia in 2, 6 patients were asymptomatic. Surgical approach was through posterolateral thoracotomy in 11 patients, lateral thoracotomy in 4 and VATS in 6. 14 tumours arose from visceral pleura, 7 from mediastinal, diaphrag- matic and parietal pleura. Removal of the tumor alone was possible in 1 case, in the remaining extended resection involving adjacent structures was performed (1 bilobectomy, 3 lobectomies, 14 wedge and 1 chest-wall resection, 4 diaphragmatic resections). In all cases radical surgical excision was achieved. Results: There was no perioperative mortality or morbidity. All surgical specimens were histologically proven to be a localized benign tumor of the pleura. Immunohistochemical reactions were in 16 patients positive for CD34, negative for vimentin, S100, cytoker- atin. Follow up was performed in 17 patients (range 17 years–10 months). Local recurrences occurred in 3 cases, in which sarcomatous degeneration was observed. 14 patients are still alive without evi- dence of disease, 3 are dead of disease. Discussion: Even though the majority of SFT are benign, they should be considered as potentially malignant neoplasms. Radical resection as well as clinical and radiological follow up are highly recommended because of the potentially malignant biological behaviour and the lack of radical treatment options.