Abstract
KEY CLINICAL MESSAGE: Arthritis is one of the main presentations of chronic brucellosis, but bursitis and tendon rupture are also caused by brucellosis. Therefore, brucellosis should be considered in the differential diagnosis of arthritis, bursitis, and tendon rupture by physicians. In addition, early diagnosis and treatment are very important in the prevention of disability. ABSTRACT: Brucellosis is a zoonotic disease common in the Middle East. Manifestations of acute disease are fever, sweating, myalgia, and arthralgia. However, bone joint involvement occurs in 10%-85% of patients, and sacroiliac involvement occurs in up to 80% and vertebral joint involvement in up to 54%. A 57-year-old woman was admitted to the hospital of Islamic Azad University on February 26, 2021, with a history of one-month pain and limited movement of the right shoulder joint with fever for surgery of the shoulder ligament. The standard agglutination titer (Wright) for brucellosis at first was 1/640 and then increased. MRI of the shoulder showed a supraspinatus tendon and anterosuperior labral of the glenoid labrum tear. Although the patient was a candidate for shoulder joint ligament surgery, with a diagnosis of brucellosis, the treatment of brucellosis was prescribed, symptoms disappeared with anti-brucellosis antibiotic therapy without surgery, and the patient recovered. Supraspinatus tendon and antero superior labral of glenoid labrum tear of the shoulder joint in brucellosis is generally very rare. Failure or delay in the treatment of brucellosis can cause ligament rupture or joint disability. Sometimes, there are no symptoms except osteoarticular manifestations in brucellosis; therefore, brucellosis should be one of the differential diagnoses in osteoarticular diseases.