Shoulder involvement is often overlooked in AS. Knowledge of the early-stage findings of the shoulder involvement due to AS is important to establish an early diagnosis and select treatment options.
Objectives: This study aims to describe magnetic resonance imaging (MRI) findings of hip joint involvement in ankylosing spondylitis (AS) in the absence of clinical and X-ray signs. Patients and methods: Between January 2012 and June 2012, 23 patients with AS without hip pain symptoms who were admitted to Adana Training and Research Hospital, Department of Physical Therapy and Rheumatology were included in the study. The control group consisted of 20 healthy individuals. All patients underwent MRI examination of both hips. Results: Of 23 patients, 10 (43.4%) had a pathological finding in at least one of the two sides based on the MRI findings. Seven patients demonstrated unilateral, and three patients demonstrated asymmetrically bilateral involvements. Bone marrow edema was present in six out of the 46 hip joints (13%). Eleven hip joints (24%) showed synovial fluid. One patient had bone marrow edema together with a subchondral cyst, while another patient demonstrated a combination of bone marrow edema and tendinitis. Conclusion: There may be hip joint involvement in AS patients even in the absence of clinical and X-ray signs. Early detection of bony abnormalities may prevent both the damage to the bone and the development of ankylosis.
Anterior sacral meningocele is characterized by the herniation of the thecal sac into the retroperitoneal space. A 33-year-old man was referred to our hospital with the complaints of a longlasting constipation and nonspecific lower abdominal pain. At ultrasound, a cystic mass was detected at the presacral space. Computed Tomography revealed a defect at the anterior aspect of the sacrum, together with a presacral cystic mass which showed a connection with the dural sac. At Magnetic Resonance Imaging, it was demonstrated that the cystic mass made an impression on the rectum, and did not possess any solid components. An anteroposterior pelvis radiogram demonstrated a sacral deformity and the scimitar sign. Upon these imaging findings, the patient got the diagnosis of an anterior sacral meningocele. The possibility of an anterior sacral meningocele must always be kept in mind in the differential diagnosis of a pelvic cystic mass.
OBJECTIVE: This study aims to investigate magnetic resonance imaging (MRI) findings in adhesive capsulitis (AC) and determine the most valuable MRI finding in diagnosis using easily applied quantitative methods. METHODS: Shoulder MRI was performed on 193 patients who were diagnosed with AC by clinical examination and 116 controls. Axillary pouch thickness (APT), superior and inferior glenohumeral ligament (SGHL and IGHL) thickness, coracohumeral ligament (CHL) thickness, fluid increase and soft-tissue thickness in the rotator interval (RI), and increases in the fluid and signal in the localization of biceps tendon attachment were evaluated. MRI examinations were assessed by three radiologists blinded to the clinical findings of the patients, and the results were obtained based on consensus and records. RESULTS: There were 119 women and 74 men in the AC group and 80 women and 36 men in the control group. IGHL, SGHL, RI, and CHL thicknesses were measured thicker in AC patients than in the control group. When IGHL=4, RI=3.6, SGHL=2.0, CHL=4.6-mm cutoff, the area under the receiver operating characteristic (ROC) curve (AUC) values were 0.700, 0.922, 0.972, and 0.783, respectively. CONCLUSIONS: According to the results obtained in this study, IGHL=4 mm, RI=3.6 mm, SGHL=2.0 mm, and CHL=4.6 mm can support the diagnosis of AC. Using the quantitative values in diagnosis can provide objective criteria and prevent variability among interpreters.
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