“…Differential diagnoses of neonatal scrotal swelling are hydrocele, inguinoscrotal hernia, testicular neoplasm, testicular torsion, and organizing hematoma. [ 1 2 3 4 ] Calcifying testicular neoplasms can be teratoma, Sertoli cell tumor, metastatic neuroblastoma, paratesticular rhabdomyosarcoma, and lymphoma. MPO is an extremely rare possibility.…”