Case Presentation An 84-year-old man presented with progressive swelling of the right cheek. Initially, he was treated for apical periodontitis of the right maxillary premolars, but symptoms did not improve, raising suspicion for a neoplastic process.
Medical History Past medical history: Radical prostatectomy for prostate cancer 15 years prior Cutaneous history: No prior skin lesions reported Laboratory Findings CBC: Mild macrocytosis, otherwise normal Biochemistry: Elevated LDH (608 U/L); all other values within normal limits sIL-2R levels: Within normal limits Imaging Findings CT scan: Soft tissue mass filling the right maxillary sinus, destroying the sinus wall and alveolar bone, extending into subcutaneous cheek tissue and orbital floor (Cover Image) Positron emission tomography-computed tomography (PET-CT): Abnormal uptake in right submandibular lymph nodes and segment 5 of the…
