Multiple calcifying fibrous tumors of the pleura
ABSTRACT Calcifying fibrous tumor (CFT) is a rare lesion characterized histologically by hypocellular hyalinized collagenous tissue with psammomatous and/or dystrophic calcifications and patchy lymphoplasmacytic infiltrates. CFT usually occurs in the somatic soft tissue of children and young adults but is rarely found in the pleura. We describe here an unusual case of multiple small CFTs in the right mediastinal pleura of a 54-year-old man who had a history of renal cell carcinoma. Suspecting pulmonary and pleural metastases, we performed wedge resection of the right middle lobe and local excision of two nodules in the right pleura. Light microscopy revealed metastatic lesions of renal cell carcinoma in the resected wedge. The pleural nodules were well circumscribed and composed of hypocellular, dense, hyalinized, collagenous tissue with scant lymphoplasmacytic infiltration and characteristic psammoma bodies. Immunohistochemical staining revealed that most spindle cells were positive for vimentin, CD34 and factor XIIIa, and negative for epithelial membrane antigen, keratin, smooth-muscle actin, desmin, S-100 protein and anaplastic lymphoma kinase. We made a histological diagnosis of CFT of the pleura, and the patient remains well 6 months after the wedge resection.
- Archiv für Pathologische Anatomie und Physiologie und für Klinische Medicin 01/2006; 447(6):1007-8. DOI:10.1007/s00428-005-0074-4 · 2.56 Impact Factor
Article: Gastric calcifying fibrous tumor.[Show abstract] [Hide abstract]
ABSTRACT: Intramucosal gastric tumours are most commonly found to be gastrointestinal stromal tumours or leiomyomas (smooth muscle tumours); however, a variety of other uncommon mesenchymal tumours can occur in the stomach wall. A rare benign calcifying fibrous tumour is reported and the endoscopic appearance, ultrasound findings and morphology are documented. A review of the literature found only two similar cases.Canadian journal of gastroenterology = Journal canadien de gastroenterologie 08/2006; 20(7):487-9. · 1.97 Impact Factor
- The Journal of thoracic and cardiovascular surgery 10/2006; 132(3):e21-2. DOI:10.1016/j.jtcvs.2006.04.042 · 3.99 Impact Factor