[67Ga scintigraphy in retroperitoneal fibrosis (RPF): indications, application and clinical relevance--report of five patients].

Aim: The aim of the study was to evaluate the indication for 67Ga-citrate imaging and its clinical impact on patients with retroperitoneal fibrosis (RPF).

Method: The scanning with ventral and dorsal projections was done 48 an 72 h after i.v.

[Spontaneous pneumothorax in AIDS. Observations in 10 patients].

Ten of our AIDS patients developed a unilateral or bilateral spontaneous pneumothorax. Four patients previously had pneumocystis carinii pneumonia and one had pulmonary tuberculosis. In six patients the pneumothorax occurred during the acute period of pneumocystis carinii pneumonia.

[Carcinoma simulating alterations of the breast in axillary vein thrombosis (author's transl)].

Two observations of mammographic findings in axillary vein thrombosis showed the main similarities of alterations in the soft parts of the arm and/or breast (vein dilation, thickening of the skin, edema). Radiological findings can simulate the possibility of a tumor or even a total carcinoma.

[An analysis of the radiological appearance of osteoplastic metastases and osteitis deformans (Paget's disease) (author's transl)].

The validity of individual radiological signs for the differentiation of osteoplastic bone metastases from osteitis deformans has been investigated quantitatively (103 skeletal metastases from carcinoma of the prostate, 45 cases of Paget's disease, two osteoplastic bone metastases from a carcinoma of rectum and bronchus). The similarities were demonstrated by three cases observed by us. Problems in the quantitative evaluation of the radiographs are discussed.

Diagnosis of partial gastric diverticula.

Five partial (intramural) gastric diverticula were observed in about 10,000 routine examinations of the stomach and confirmed by endoscopy or operation. All diverticula were located on the greater curvature of the antrum. A round or oval pouch with a small neck and typical changes in shape and size represent the diagnostic radiographic features of partial diverticulum.

[Isomorphism of primary and secondary tumors of bone in radiographs (author's transl)].

The fact that primary and secondary tumors of bone may present identical appearances (isomorphism) in radiographs is due to the unspecific reaction to different diseases of bony tissue. Radiographic differential diagnosis has narrow limits. Interpretation must take account of localization and age of the patient.

[Para-ureteric cyst. A rare complication of abdominal surgery (author's transl)].

A para-ureteric pseudo-cyst of the middle third of the ureter was observed following a sympathectomy. Originally it was diagnosed as a renal tumour. The findings are described and the pathogenesis, symptomatology and diagnosis are discussed.

[The intrathoracic rib(author's transl)].

The intrathoracic rib belongs to the group of additional ribs, hence the 'english synonym "supernumerary rib". Two cases are reported. The mode of inheritance could not be established.