PMC7850715_01
A-P X-Ray and CT-Scans showed the loosening of the prosthesis
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Fig1
X-rays and CT scans showed signs of loosening of the prosthesis towards the pelvis. (Fig. 1). 
Removal of the prosthesis and implant of the spacer
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Fig2
For this reason, after adequate monitoring of the patient's general condition, he was discharged with an oral antibiotic therapy prescribed and full weight bearing, since the pain was tolerable. (Fig. 2). 
Definitive prosthesis after 9 weeks
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Fig3
TT Company Lima Corporate and two screws 6.5 mm, Stem 12 LCU Company Link, small head 36 mm Ceramic), the postoperative course was uneventful, and the patient remained asymptomatic, except for a mild anemia, which was treated with Ferric sodium gluconate for 1 week. The postoperative prophylaxis of the infection included a double antibiotic protocol with Cefotaxim 2 g three times per day and Rifampicin 600 mg once in the evening for the following 8 weeks. (Fig. 3). 
Thorax CT-Scan showed multiple areas of ground-glass opacification
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Fig4
However, while the patient was in our department on the eighth postoperative day, after a sudden worsening of the respiratory symptoms with low oxygen saturation (SpO2 87%) and severe respiratory distress, an emergency chest X-ray and then a CT scan were performed, and they showed no evidence of pulmonary embolism but revealed multiple areas of ground-glass opacification (GGO) (Fig. 4). 