Introduction: While our knowledge is limited about COVID-19 immunity, recent cases of reinfection have raised concerns.
Case presentation: Here, we report a case of COVID-19 reinfection after three months from recovery in a healthcare worker with negative IgM and IgG at the second infection and positive nasopharyngeal swab Reverse transcription polymerase chain reaction (RT-PCR) test despite being discharged with two negative RT-PCR tests at the first admission. Symptoms at first admission were fever, headache, sore throat, diarrhea, and vomiting and got changed to myalgia and anosmia.
Conclusion: The strength of this case report is the long period (three months) between the infection and reinfection while other cases reported in literature were reinfected less than one month after their first infection.
Introduction: Evidence of a fourth carpometacarpal joint dislocation and hamate fracture is rare, which may be due to its difficult and sometimes missed diagnosis based on routine X-rays. A simultaneous fracture of the hamate and carpometacarpal joint dislocation in the same hand is extremely rare. We report a case of a combination of a fourth carpometacarpal joint dislocation and a fracture of the hook of the hamate detected by computer tomography (CT) imaging. Case Presentation: The patient was a 32-year-old right-hand-dominant man, with a chief complaint of righthand pain, especially in the fourth and fifth fingers, which began immediately after punching a handle of an armchair. On physical examination, there was a deformity and tenderness with reduced range of movement (ROM) on the fourth metacarpal. Radiographs showed a dislocation of the fourth carpometacarpal joint and a suspicious fracture in the hook part of the hamate. Then, the patient underwent a CT image that indicated a dislocation of the fourth carpometacarpal joint and a fracture in the hook of the hamate. An open reduction and internal fixation (ORIF) was done, and the wrist and hand were immobilised for six weeks. At three months' follow-up, the patient had normal strength in his hand, and he was asymptomatic. Conclusion: Hamate fracture is often missed on initial presentation and initial X-ray, which emphasises the need for compulsive diagnostic evaluation such as CT imaging and careful follow-up. In fact, when there is a tenderness, and a reduced ROM on the base of fourth carpometacarpal joints, CT is helpful in a more accurate diagnosis.
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