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Unlabelled: The desmoid tumor is a rare tumor with an incidence of 2-4 cases per million people each year, and represents 0.03% of all cancers. The tumor is composed of fibrous tissue that produces masses of well-differentiated hard elastic consistency. According to their site of onset, the desmoid tumors are classified in abdominal, intra-abdominal, and extra-abdominal. The abdominal cases develop inside the abdominal muscles of the abdominal wall upright, especially in women in their 2nd - 4th decade of life, particularly in those who have been pregnant., Methods: A 66-year-old patient underwent nephrectomy in 2006 for the detection of a massive tumor in the right kidney (EI: pT1bNx). The patient came to our observation for the radiological tracking (CT) of a solid lesion of 4 cm below the right arch, 2 years after surgery. For this reason it was decided to refer the patient to a series of percutaneous biopsies. The report describes a histologic lesion of fibromatosis. After one year a new CT exam showed a significant increase of the size of the lesion, with a diameter of 11.6 x 7.9 cm, and abdominal involvement to ascending colon. Given the discrepancy between the CT data and the histological report, it was decided to refer the patient to a lombotomic exploration and the subsequent removal of the lesion, which appeared of hard, elastic consistency and well capsulated. The final histology test confirmed the fibromatosis lesion., Conclusions: The desmoid tumor is a rare tumor characterized by the proliferation of fibrotic tissue. The tumor is composed of well-differentiated fibrous tissue and has a hard-elastic consistency. Regarding the development of dermoid tumors, several risk factors were identified, including extra-abdominal fibromatosis, genetic factors, endocrine factors. Other causes may arise from trauma or abdominal injury in surgical outcomes of appendectomy, laparotomy and other surgical scars (scar fibromatosis) or genetic predisposing factors. The surgical resection of dermoid tumors should be the therapy of choice, complete and radical, to cover the possible excision of a wide margin of surrounding structures concerned, and those arrangements should ensure a low rate of relapse. However, in cases of inoperable cancer due to extension, anti-estrogen therapy may have an important therapeutic and well-tolerated effect, besides being relatively non-toxic, even at high doses. A close follow-up is indicated, however, and warmly recommended.

Desmoid tumour of the breast is a rare lesion. Only 9 cases in which the origin of the tumour was linked to a breast implant had been published up to 2004. We report a case of aggressive fibromatosis which developed on the thoracic wall two years after implantation of a mammary prosthesis. This tumour was locally aggressive. Radical surgery is the treatment of choice and in this case required a wide surgical resection, including removal of the chest wall, to gain control. The application of adjuvant radiation therapy is controversial.

Aim of the Study: The Authors report on a patient personally observed owing to a tumefaction, mimicking a pomelo, located on the posterior chest wall, in the same site of another past surgical operation dating back to four years ago. This tumefaction was clear at the inspection, not aching and hard-elastic at the palpation, mobile synchronously with respiratory movements, but unable to alter respiratory mechanics., Case Report: The patient was subjected to laboratory tests, which showed nothing pathological, and to instrumental tests (RX and TAC of the chest, bony scintigraphy) which showed a roundish solid tumefaction, with no "secondary" interest of bony tissue. In this case, it was executed a posterior-lateral thoracothomy, at the VI intercostal space, in the area circumscribing the past surgical scar. The careful removal of the adhesions between the mass and the costal plane, not without the sacrifice of the periosteum, permitted us the total exeresis. The anatomo-pathological test showed a desmoid fibromatosis (desmoid tumor) extra-abdominal (12.5 x 9 x 5 cm). About this kind of neoplastic masses, the risk of post-surgical relapse is very high; so many Authors consider opportune a radio-chemical adjuvant therapy. In this case, the radical excision allowed the Authors to avoid the post surgery pharmacological treatment and to get no relapses after two years from the operation.

The desmoid tumor (DT) is a soft tissue neoplasm most frequently localized in the anterior abdominal wall typically in females of childbearing age. Because its particular incidence in women who had recently been pregnant, it was correlated with delivery's trauma stimulating proliferation of muscolo-aponeurotic tissues. Complete surgical resection is the recommended treatment approach to prevent recurrence. Many authors emphasize the role of radiotherapy in regression of DT and in controlling local recurrence in patient who had incomplete resection. Many others emphasize the role of chemotherapy or antiestrogenic compounds, even though tumour does not express estrogen receptors. DT, otherwise, is neoplasm with high rates of recurrence after surgery but it never develops distant metastases, so that function and structure-sparing surgery may be a reasonable choice in young women when possible without leaving macroscopic residual disease. Furthermore literature data suggest that the presence of incomplete histological surgical resection does not correlate with local recurrence and that pregnancy does not represent a risk factor. In women of childbearing age, even after non radical histological DT primary resection, adjunctive radiotherapy, chemotherapy or antiestrogen therapy could be avoided and clinical observation alone may be considered.