# A nurse is assessing a 65-year-old client who presents to the emergency department with complaints of persistent flank pain and gross hematuria for the past 3 days. Which assessment finding would be most significant in supporting a suspected diagnosis of renal cell carcinoma? > source: MyMerci (mymerci.kr) > url: https://mymerci.kr/pages/nclex_q.php?qn_id=541499 > language: ko > subject: Adult Health ## 문제 A nurse is assessing a 65-year-old client who presents to the emergency department with complaints of persistent flank pain and gross hematuria for the past 3 days. Which assessment finding would be most significant in supporting a suspected diagnosis of renal cell carcinoma? ## 보기 1. Palpable abdominal mass in the left flank region **✔ 정답** 2. Bilateral lower extremity edema with jugular vein distention 3. Suprapubic tenderness with urinary frequency 4. Costovertebral angle tenderness with dysuria **정답: 1** ## 해설 A palpable flank mass with hematuria and flank pain is the classic triad for renal cell carcinoma, indicating significant tumor growth. Other options suggest conditions like heart failure (edema), UTI (dysuria), or bladder issues (frequency). ## 심화 해설 Understanding the Clinical Presentation The classic triad for renal cell carcinoma (RCC) is flank pain, a palpable mass, and gross hematuria. However, this triad is seen in only a small percentage of patients and often indicates advanced disease. In this scenario, the client already presents with two components: persistent flank pain and gross hematuria. The most significant finding to complete the clinical picture and strongly support an RCC diagnosis is the presence of a palpable abdominal mass in the flank region. The provided case reports consistently illustrate this association. For instance, a patient with a large renal mass presented with right flank pain and progressive abdominal swelling, where clinical examination revealed a firm mass [1]. Similarly, a pregnant patient diagnosed with a renal mass presented with right flank pain and gross hematuria, with imaging later confirming a large solid mass [2]. These cases underscore that a palpable mass, when coupled with flank pain and hematuria, is a hallmark indicator of a space-occupying renal lesion like RCC. Analyzing the Distractors The other options represent findings associated with different pathologies and are not the most significant indicators of RCC in this context. - **Option 2 (Bilateral lower extremity edema with jugular vein distention):** These are signs of right-sided heart failure or fluid volume overload. While a renal tumor can rarely cause inferior vena cava (IVC) compression or tumor thrombus extension leading to lower extremity edema, this is a late and less common presentation. The case of primary renal fibrosarcoma mimicking RCC noted IVC extension, but the primary presentation was still a palpable mass [1]. Bilateral edema is a nonspecific finding for an initial RCC workup compared to a palpable mass. - **Option 3 (Suprapubic tenderness with urinary frequency):** This cluster of symptoms is highly suggestive of a lower urinary tract condition, such as cystitis or a bladder mass. The case of a bladder mass following a bone marrow transplant presented with hematuria, but the origin was a friable pseudotumor in the bladder, not the kidney [4]. Suprapubic tenderness localizes the problem to the bladder, not the flank. - **Option 4 (Costovertebral angle tenderness with dysuria):** This is the classic presentation for pyelonephritis (kidney infection). While flank pain is present, the addition of dysuria and costovertebral angle (CVA) tenderness points toward an infectious or inflammatory process rather than a solid tumor. The pain from a renal tumor is typically a dull, persistent ache in the flank, not the sharp, percussion-sensitive tenderness of CVA. Pathophysiology and Diagnostic Reasoning The significance of a palpable mass lies in the tumor's growth pattern. RCC is a malignant epithelial tumor that arises from the renal cortex and expands outward, eventually becoming large enough to be palpated during a physical examination [3]. As the mass stretches the renal capsule, it causes the characteristic dull flank pain. Invasion into the collecting system leads to the gross hematuria the client is experiencing. The synchronous occurrence of these three findings—pain, hematuria, and a palpable mass—directly reflects the local progression of a solid renal neoplasm. While a rare benign tumor like an angiomyolipoma (AML) can also present as a mass and cause hemorrhage (Wunderlich syndrome), the clinical triad in an older adult raises a high index of suspicion for the more common malignant RCC [3]. Therefore, palpating a mass in the flank is the most direct and significant physical assessment finding that corroborates the suspected diagnosis of RCC based on the client's history. References (research sources) - [1]Primary Renal Fibrosarcoma with Massive Tumor Size and Inferior Vena Cava Extension Mimicking Renal Cell Carcinoma: A Rare Case Report.Case reportRathore K, Mehra K, Yadav M, Kaushal D, Joshi D, Madhavan K, Shrivastava N, Chandana. (2026) · DOI: 10.15586/jkc.v13i1.430 - [2]Symptomatic renal tumor in mid-pregnancy managed with nephrectomy and term vaginal delivery: a case report and literature review.Case reportShrateh ON, Abbadi K, Sroor LD, Hjaija I, Hind A. (2026) · DOI: 10.1097/rc9.0000000000000068 - [3]Wunderlich Syndrome in a Patient With Coexisting Giant Angiomyolipoma and Multicystic Clear Cell Renal Cell Carcinoma: A Case Report.Case reportGupta R, Rathi P, Bansal N, Koli J. (2026) · DOI: 10.7759/cureus.109485 - [4]Bladder mass following bone marrow transplant for sickle cell disease: A diagnostic dilemma.Research articleAdelabu Y, Fakile UO, Oladimeji WQ, Oseni K, Ogunjimi MA, Bamigboye TG, Aziken-John BN, Enegbuma A, Olayiwola Z, Kalejaiye O, Adeyemo TA, Ogbenna A, Wilkerson K, Temiye E, Akinsete AM, Kassim AA. (2026) · DOI: 10.46989/001c.161296 ## 임상 시나리오 Renal Cell Carcinoma AssessmentRecognizing the Classic Triad The classic triad for RCC is flank pain, palpable mass, and gross hematuria. Finding all three is rare (10-15% of cases) and often signals advanced disease. A palpable flank mass in a patient with pain and hematuria is the most significant physical exam clue for a space-occupying lesion like RCC. CautionDo not mistake costovertebral angle (CVA) tenderness with dysuria for RCC; this points to pyelonephritis. Bilateral edema and JVD suggest heart failure, not a primary renal malignancy. ## 핵심 개념 - **Classic Triad of RCC** — The three classic findings for renal cell carcinoma: gross hematuria, persistent flank pain, and a palpable flank mass. The presence of all three strongly supports the diagnosis. - **Inferior Vena Cava (IVC) Involvement** — A complication of advanced RCC where a tumor thrombus extends into the IVC, potentially causing lower extremity edema, ascites, or varicocele, but it is not a primary diagnostic finding. - **Costovertebral Angle (CVA) Tenderness** — Pain elicited by percussion over the kidney area, typically associated with infection or inflammation like pyelonephritis, not a solid tumor mass. ## 같은 주제 문제 - [A nurse is assessing a 58-year-old patient with suspected renal cell carcinoma. 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