Testicular torsion Urinary tract infection Wilms' tumor Other Parasitic infection Psoas abscess Rectus sheath hematoma TABLE 4 Differential Diagnosis of Acute Appendicitis
[aafp.org]
Pain. Vague epigastric or periumbilical pain progresses to right lower quadrant pain usually accompanied by low-grade fever, nausea ,and sometimes vomiting. Tenderness.
[nurseslabs.com]
lymphadenitis, mittelschmerz, obstruction, pancreatitis, parasites, peptic ulcer disease, sarcoidosis, spirochetosis, tuberculosis, tumors, typhlitis, urinary tract infection
[pathologyoutlines.com]