Fig. 1
From: Post-COVID reactivation of latent Bartonella henselae infection: a case report and literature review
(A): MRI image of the mass on admission; (B): Preoperative view of the mass, the pus head has ruptured; (C): Intra-operative view of the mass, most necrotic or infected tissue have been removed; (D): Post-operative histopathological results showing acute and chronic inflammation of subcutaneous soft tissue with histiocytes infiltration (marked by green triangle and magnification on the upper right corner), regional inflammatory granulation tissue hyperplasia (marked by red star)