CT demonstration of the 1996 AJCC-UICC regional lymph node classification for lung cancer staging.

The new international lymph node classification adopted by the American Joint Committee on Cancer (AJCC) and the Union Internationale Contre le Cancer (UICC) is described and illustrated with computed tomography (CT). Anatomic landmarks for 14 hilar, intrapulmonary, and mediastinal lymph node stations are designated. Main differences between the new international classification and the American Thoracic Society (ATS) one are emphasized.

[An MRI study of the normal pelvis in the immediate postpartum period].

Purpose: To describe the MR findings of the pelvis in the early post-partum period, after vaginal delivery or cesarean section.

Materials And Methods: Fifteen asymptomatic patients were imaged using a 1.5 Tesla MR unit between 1 and 7 days following delivery.

[Bronchial anastomotic complications after pulmonary transplantation. X-ray computed tomographic evaluation].

Purpose: To determine the sensitivity and specificity of CT in depicting bronchial anastomotic complications after lung transplantation.

Materials And Methods: A retrospective, blinded review of 105 CT scans obtained after single (n = 17) or double (n = 10) lung transplantation in 27 patients was done by two radiologists in consensus. CT images, were analyzed with respect to the status of bronchial anastomoses, with three possible answers given to the readers: normal, dehiscence, or stenosis.

Hepatic pseudolesion around the falciform ligament: prevalence on CT examination.

Background: The purpose of this study was to determine the prevalence of hepatic pseudolesions seen around the falciform ligament on computed tomography (CT) of the abdomen obtained with intravenous administration of contrast material.

Methods: We first retrospectively reviewed the CT scans of six patients in whom hepatic pseudolesions were seen around the falciform ligament. The abdominal CT scans of 587 patients were then prospectively analyzed for the presence of hepatic pseudolesions around the falciform ligament to determine the prevalence of this finding on CT examinations.

MR appearance of the normal chest after pneumonectomy.

Magnetic resonance (MR) imaging of the chest was performed in nine patients who had undergone pneumonectomy, to evaluate postoperative chest anatomical changes. The main criterion of selection in this study was the absence of cancer recurrence at the time of the study and 6 months later (normal clinical, fiberoptical and cytological data and normal laboratory values). All the MR studies were compared with chest CT performed within 15 days after MR imaging.

Post-pneumonectomy evaluation of the chest: a prospective comparative study of MRI with CT.

A comparative study of 11 pneumonectomized patients was undertaken in order to evaluate the respective advantages and drawbacks of MRI and CT in post-operative follow-up. Nine patients were healthy at the time of the study and two presented with tumor recurrence. MR examination included 500/40 ms axial, and frontal 800/40-80 ms or 1300/60-120 ms nongated spin echo sequences.

MRI in the pre-operative assessment of tracheal cylindroma. Case report.

Compared with malignant neoplasms of the chest, benign tumours are quite rare; cylindroma (or salivary gland adenoma) is exceptional. The apparent histological benignancy belies its high potential for invasiveness. This can, in some cases, lead to extensive, non-conservative surgery.

Contribution of computed tomography in six sacrococcygeal chordomas.

Six sacrococcygeal chordomas were studied with CT at the Institut Gustave-Roussy. Only one was examined at the time of the initial diagnosis and CT made a valuable contribution to this. In other cases, CT determined the possibility of initial surgical excision and the field of radiotherapy and helped make a reliable diagnosis of local recurrences.

Benign giant-cell tumours of bone with pulmonary metastases and favourable prognosis. Report on two cases and review of the literature.

This paper reports two giant-cell tumours of bone of low-grade malignancy, both complicated by the development of pulmonary metastases in which the histological appearances were identical to those of the primary neoplasm. Ten similar cases in the literature are reviewed.

Study of three radio-induced malignant fibrohistiocytomas of bone.

Malignant fibrohistiocytoma (MFH) is one of the most frequent malignant tumours of soft tissues [6]. Its classification as a bone tumour, however, is relatively recent [1]. In addition to primary MFH in bone, the entity has been observed to occur as a secondary phenomenon, some cases having complicated pre-existing infarcts of bone [4].

Radiological study of two disseminated malignant non-Hodgkin lymphomas affecting only the bones in children.

Malignant non-Hodgkin lymphomas are a neoplastic proliferation of lymphoid cells whose clinical manifestations are extremely variable. All tissues can be affected. There may be localization in lymphoid organs (Waldeyer's ring, spleen, digestive tract), other localizations (lungs, pleura, liver, bone marrow, central nervous system), and unusual localizations.