[The modern differential diagnostic possibilities in chordoma].

The authors report five cases with chordoma. The diagnosis has been determined histologically on the basis of the operative material. The chordomas have a slow growth and a tendency to infiltrate the adjacent tissues and organs.

[Aggressive muscular-aponeurotic fibromatosis. Its clinical picture and morphological study].

The authors report 24 cases with aggressive muscle-aponeurotic fibromatosis for the period 1985-1990. Eleven cases with proved fibrosarcoma have been studied as well. From the total 35 cases the authors have observed 5 cases with localization on the front abdominal wall in women, and the remaining cases are as follows: 9 patients with thoracic girdle (c.