Bilateral Abdominal Masses in the Upper Abdomen

CLINICAL DIAGNOSTIC MANUAL

Bilateral abdominal masses in the upper abdomen may be detected during a physical examination and could indicate the presence of pathologies affecting the organs located in this region.

These masses can be palpable and prominent, and their origin may be due to various medical conditions, including renal diseases, obstructive processes, and infiltrative disorders. Accurate identification of the underlying cause is crucial for the appropriate management and treatment of the condition.

Condition	Symptoms and Clinical Signs	Suspicion Diagnosis	Confirmatory Diagnosis
Polycystic Kidney Disease	Abdominal or lumbar pain, haematuria, hypertension, recurrent urinary infections, palpable renal masses, progressive renal failure	Clinical history, clinical symptoms	Abdominal ultrasound, abdominal CT/MRI, urinalysis
Bilateral Hydronephrosis	Abdominal or lumbar pain, decreased urine flow, recurrent urinary infections, nausea, vomiting, haematuria, hypertension, palpable renal masses	Clinical history, clinical symptoms	Abdominal ultrasound, abdominal CT/MRI, intravenous urography
Amyloidosis	Fatigue, weight loss, oedema, peripheral neuropathy, hepatomegaly, splenomegaly, renal failure, palpable renal masses (in advanced cases)	Clinical history, clinical symptoms	Renal biopsy, serum and urine protein electrophoresis