Anna Nidecker

Learn More
Lesions of the long head of the bicepstendon (BT) are seen in association with tears of the rotator-cuff, particularly lesions of the subscapularis tendon and the rotator-interval. The frequency of positive MR-findings at the BT is approximately 25%. The pathologic alterations include complete medial luxation, subluxation and entrapment by the subscapularis(More)
The most common causes of posterior and posterolateral knee pain (besides referred pain) are knee joint effusions, tendinitis of the hamstring tendons, Baker cyst (semi-membranous cyst), bursitis, meniscal pathologies such as tears and ganglions and lesions of the anterior cruciate ligament. Less common causes include popliteus and gastrocnemius tendinitis,(More)
A program of detoxification of heroin addicts by the use of oral methadone produced a series of patients who developed pulmonary granulomatous mass lesions as the result of the intravenous use of the oral form of the drug. Talc, used in the preparation of the tablet, seems to be the offending substance. Besides producing a diffuse interstitial granulomatous(More)
A retrospective study of 68 cases of tumours and tumour-like lesions related to the scapula, included in the registry of the Bone Tumour Reference Centre at the Institute of Pathology/University Clinics, Basle, has been carried out. Each case was evaluated for lesion entity, activity and location, age and sex of the patient, and, in 49 files with available(More)
"Whiplash injuries" are frequent sequelae of motor vehicle accidents. While conventional imaging methods such as X-ray, including special and functional lateral projections, continue to be the first-choice evaluation methods, they frequently do not reveal injuries to the soft tissues. Cross-sectional methods such as CT and MRT may therefore be indicated for(More)
High-resolution P-31 MR spectra were obtained in four patients with bone tumors of their distal extremities. In one case the tumor, a Ewing sarcoma of the tibia, was investigated during clinical remission after radiation therapy and chemotherapy. The other three cases - one low-grade chondrosarcoma of the tibial head, one malignant fibrous histiocytoma of(More)
Eight primary leiomyosarcomas of bone were registered in the files of the Basel Bone Tumor Reference Center, Basel, Switzerland, for the period 1972 to 1990. The mean age of the patients (six males and two females) was 43.7 years (range, 11 to 87 years). The tumors were located in the long bones, the fingers, and the clavicle, and presented radiologically(More)
The radiological findings of adamantinomas of long bones are described in 22 patients. The diagnosis was confirmed by a team of experts (pathologist, radiologist, orthopaedic surgeon) of the "Bone tumour study group" at the German Cancer Research Center. There were 12 male and 10 female patients aged 5 to 67 years (most commonly in the second and third(More)