Johannes K. A. Avenarius

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OBJECTIVE In rheumatology, magnetic resonance imaging (MRI) is predominantly applied in the assessment and outcome measurement of rheumatoid arthritis (RA) in hands and wrists, leading to the development of the RAMRIS (RA-MRI-Scoring) system. It was initiated by the Outcome Measures in Rheumatoid Arthritis Clinical Trials (OMERACT). The RAMRIS system has(More)
Preoperative staging of patients with colorectal carcinoma (CRC) has the potential benefit of altering treatment options when metastases are present. The clinical value of chest computed tomography (CT) in staging remains unclear. All patients who undergo colorectal surgery in our hospital are prospectively registered, including patient, treatment, and(More)
Advanced colorectal cancer (CRC), either locally advanced, metastasized (mCRC) or both, is present in a relevant proportion of patients. The chances on curation of advanced CRC are continuously improving with modern multi-modality treatment options. For incurable CRC the focus lies on palliation of symptoms, which is not necessarily a resection of the(More)
OBJECTIVE to investigate prospectively the additional value of intra arterial digital subtraction arteriography (IADSA) for decision making in patients with critical limb ischemia (CLI). Treatment plans based on colour-duplex imaging (CDI) were compared with treatment plans based on IADSA. METHODS ninety-eight consecutive patients with 112 legs with CLI(More)
AIMS With the increasing use of screening mammography, more and more non-palpable lesions are found. As less invasive techniques like core needle biopsy are introduced, we evaluated our experience with the well-known standard procedure of surgical excision after wire localization. METHODS We retrospectively evaluated the results of 479 wire localizations(More)
Intracranial mesenchymal chondrosarcoma is a rare, high-grade malignancy with the highest prevalence in young adults. Because of its rarity, most data regarding survival are limited to case studies and small series. We present a 71-year-old woman with an intracranial dural based mesenchymal chondrosarcoma located in the anterior skull base, to our knowledge(More)
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