M. Mlika

Malignant glomus tumor of trachea: a case report with literature review

Glomus tumors of the trachea are extremely rare and generally benign, with very few cases of malignant transformation reported in literature. We present the case of a 74-year-old man explored for cough and dyspnea. Bronchoscopy showed a polypoid mass arising from the posterolateral tracheal wall. Computed tomography demonstrated a mid-tracheal tissular mass obliterating the tracheal lumen. Resection and anastomosis of the trachea were performed. The histological and immunohistochemical findings were consistent with malignant glomus tumor.

Pulmonary Adenofibroma: Report of a Rare Case with Amyloid Deposit

We report a case of a primary lung tumor characterized by complex gland-like spaces lined by simple cuboidal to columnar epithelium surrounded by a hyalinized spindle-cell fibroblastic proliferation reminiscent of adenofibroma of the female genital tract. The lesion occurred in a 56 year-old male with a history of left thoracic pain and hemoptysis. The tumor presented clinically as 1.5 cm solitary lesion and was discovered on chest X-rays. The lesion was treated by lobectomy. The main importance lies in distinguishing this lesion histologically from other types of pulmonary hamartoma, pulmonary blastoma, intrapulmonary solitary fibrous tumor and metastases from soft tissues and visceral sarcomas.

Une tumeur trachéale traitée comme un asthme

Primary tumors of the trachea are very rare. In adults, the majority of them are malignant. Schwannomas are exceedingly rare benign tumors in the tracheobronchial tree. We report a case of a 37-year-old man who was hospitalized for increasing dyspnea. He had been treated for bronchial asthma for the last 4 years with no benefit. The CT scan of the chest and bronchoscopy identified a tracheal mass that was prolapsed in the left stem bronchus. The patient did not remain free of disease after endoscopic laser resection. So, surgical resection was made. The tumor was excised at its base. A segment of the left stem bronchus was removed and primary anastomosis was performed. The histopathologic diagnosis was of a benign schwannoma without malignant elements. There was no recurrence during the follow-up period. This case demonstrates that intratracheal masses should be considered in patients with dyspnea or in patients with asthma refractory to conventional therapy.

Une association lésionnelle pulmonaire rare

INTRODUCTION Pulmonary amyloidoma or nodular amyloidosis is a localized form of amyloidosis, which can mimic a bronchopulmonary carcinoma. This form of amyloidosis may be associated to an infectious, a systemic disease or a lymphoma. OBSERVATION We describe the case of a 36-year-old patient whose past medical history was consistent for a diabetes mellitus and a hypothyroidism treated by medical treatment. The patient presented a Gougerot-Sjögren syndrome and was explored for non-specific respiratory symptoms. Physical examination was normal. Laboratory tests revealed a monoclonal pic of immunoglobulin. Radiologic findings showed bilateral pulmonary nodules associated to mediastinal lymph nodes. A pulmonary biopsy was performed. Histologic examination revealed a tumoral nodule containing an abundant eosinophilic material, which was acellular and surrounded by a dense lymphomatous infiltrate destroying the pulmonary parenchyma. Histochemical and immunohistochemical study revealed an association of a nodular pulmonary amyloidosis with a MAT pulmonary lymphoma complicating a Gougerot-Sjögren syndrome. CONCLUSION The association of MALT pulmonary lymphoma and localized amyloidosis is rarely observed in case of Gougerot-Sjögren syndrome. The pathogenesis of this association remains unknown and the management non-consensual because of the rarity of the cases reported. Whereas, it appears that localized amyloidosis associated to a MALT lymphoma seems to have a better prognosis than a disseminated amyloidosis.

The utility of bronchoalveolar lavage in the evaluation of interstitial lung diseases: A clinicopathological perspective

Bronchoalveolar lavage (BAL) is a noninvasive and well-tolerated procedure that is performed with a fiberoptic bronchoscope in the wedged position within a selected bronchopulmonary segment. After it was introduced to clinical practice, BAL rapidly gained acceptance in a large number of centers as a procedure that could be applied to the clinical evaluation of patients with various pulmonary disorders, especially the group of interstitial lung diseases (ILD). Cytological and flow cytometric analysis of BAL fluid in ILD is done with knowledge of the clinical presentation and radiological findings. BAL typically reveals variations in the types and numbers of nucleated immune cells and acellular components in patients with ILD, which differ from those seen in normal control subjects. Many clinicians currently use this technique as a guide in the differential diagnoses of ILD; it can also be used to monitor the course of disease and possible response to therapeutic interventions. This article summarizes current clinicopathological information concerning the use of BAL by pulmonologists and pathologists.

About thymic carcinomas: challenges in diagnosis and management.

Background Thymic carcinomas are rare tumors with a challenging diagnosis. Our aim was to report our 17-year experience of these tumors and to highlight the challenges encountered and the main differential diagnoses ruled out. Methods We studied 12 (92%) men and 1 (7.7%) woman with a mean age of 37 years (range 15–60 years). All patients were symptomatic, with chest pain representing the most frequent symptom. Radiology revealed anterior mediastinal masses in all cases, with either infiltration of the adjacent organs or pulmonary parenchymal metastases. Results The diagnosis was made on surgical biopsies in 12 cases and a lymph node biopsy in one. Microscopic examination revealed squamous carcinoma in 3 cases, synovial sarcoma in 1, mucinous adenocarcinoma in 1, undifferentiated carcinoma in 2, clear cell carcinoma in 1, lymphoepithelioma-like carcinoma in 2, atypical carcinoid tumor in 2, and sarcomatoid carcinoma in 1. Total surgical resection was possible in one patient after neoadjuvant chemotherapy and radiotherapy. Follow-up was possible in only 6 patients, and the mean survival reached 13 months. Conclusion In spite of the lack of follow-up information, this study demonstrates the poor outcome associated with these tumors and the need for standardized treatment.

A decisional diagram for the management of thymomas based on a Tunisian multidisciplinary team's experience and a review of the literature

Background: Thymomas are rare tumors with a challenging management. After a review of the literature, we noticed the absence of a simplified decisional diagram. We aimed to present a scheme for the management of these tumors based on the experience of a Tunisian multi-disciplinary team and a review of the literature. Patients and Methods: We report a retrospective study 100 thymomas diagnosed between 1994 and 2011. We also performed an exhaustive PubMed research using the keywords: Thymoma, prognosis, management. We noticed, that the most famous studies were reported in the 1990s with most of them being a review of the literature. Results: The proposed decisional diagram is quite similar to the National Comprehensive Cancer Network (NCCN) guidelines with some particularities. These particularities consist in the recommendation of an initial surgical resection even in advances disease (stages IIIb or IVa) and the association of a radiation therapy in R1 or R2 stages I, II, and IIIa thymomas. Conclusion: This study highlights the necessity of further research performed in the field of thymoma in order to answer the unresolved question. This work seems to be necessary and helpful in daily practice of thoracic surgeons and clinicians.

Une suppuration thoracique fistulisante: Actinomycose thoracique avec atteinte pulmonaire et pariétale

Thoracic actinomycosis is a suppurative infection which can be difficult to diagnose as its presentation may mimic cancer or tuberculosis. We report a new case of thoracic actinomycosis in a 35-year-old man who presented with thoracic symptoms associated to a productive parietal fistula. Imaging exploration revealed an opacity of the right ventroapical segment with parietal infiltration. A bilobectomy and a parietectomy were performed. The anatomopathologic diagnosis actinomycosis was confirmed. The patient was first put on a treatment of azathioprine 1g daily during two weeks, then switched to a combination with Vibramycin 100 mg twice a day during 17 months, The evolution was marked by the persistence of productive fistulae, which were treated surgically, and resistance to the initial treatment leading to a switch to Augmentin 3 g daily during 25 days. The patient experienced clinical improvement with a follow up of 18 months than was lost to follow-up.

Une suppuration thoracique fistulisante

Thoracic actinomycosis is a suppurative infection which can be difficult to diagnose as its presentation may mimic cancer or tuberculosis. We report a new case of thoracic actinomycosis in a 35-year-old man who presented with thoracic symptoms associated to a productive parietal fistula. Imaging exploration revealed an opacity of the right ventroapical segment with parietal infiltration. A bilobectomy and a parietectomy were performed. The anatomopathologic diagnosis actinomycosis was confirmed. The patient was first put on a treatment of azathioprine 1g daily during two weeks, then switched to a combination with Vibramycin 100 mg twice a day during 17 months, The evolution was marked by the persistence of productive fistulae, which were treated surgically, and resistance to the initial treatment leading to a switch to Augmentin 3 g daily during 25 days. The patient experienced clinical improvement with a follow up of 18 months than was lost to follow-up.