KMU Past Paper Practice

A 15-year-old boy presents with severe unilateral scrotal pain of 4 hours’ duration. Examination is difficult because of marked tenderness. Urinalysis is normal, and there is no fever or urethral symptom. The surgeon is concerned about loss of the testis if treatment is delayed. Which clinical feature in this presentation most strongly supports an ischemic rather than infective process?

Correct Answer: Abrupt onset of intense unilateral pain

Explanation: Sudden severe pain without urinary or infective features strongly favors testicular torsion, where vascular compromise develops rapidly.

A 20-year-old man with acute scrotal pain undergoes Doppler ultrasonography because the clinical examination does not clearly distinguish torsion from epididymo-orchitis. Which finding would make continued observation unsafe and require immediate surgical involvement?

Correct Answer: Markedly reduced perfusion of the affected testis

Explanation: Reduced or absent testicular blood flow supports torsion and indicates threatened viability, requiring urgent surgical management.

An adolescent undergoes exploration for torsion after presenting late with prolonged severe scrotal pain. The affected testis remains non-viable despite detorsion. Which definitive intraoperative decision is most appropriate for the affected side?

Correct Answer: Removal of the non-viable testis

Explanation: A persistently non-viable testis after detorsion cannot be salvaged and may require orchiectomy.

A 31-year-old man presents with 3 days of worsening scrotal discomfort, fever, dysuria and urinary frequency. Examination shows predominantly posterior testicular tenderness. Doppler imaging demonstrates increased regional vascularity. Which diagnosis best integrates the history, examination and imaging?

Correct Answer: Epididymo-orchitis

Explanation: Gradual inflammatory pain, fever, urinary symptoms and increased Doppler flow form a typical pattern of epididymo-orchitis.

A patient with clinically suspected epididymo-orchitis has pyuria on urinalysis. The treating doctor wants an investigation that may identify a urinary bacterial source and allow treatment to be refined. Which investigation best serves this purpose?

Correct Answer: Urine culture

Explanation: Culture may identify a urinary pathogen and guide antimicrobial therapy when a urinary source is suspected.

A 48-year-old man has a painless scrotal swelling that has slowly enlarged over several months. It is smooth, fluctuant and transilluminates. Ultrasound demonstrates fluid surrounding a normal-appearing testis. Which anatomical diagnosis best explains the swelling?

Correct Answer: Hydrocele involving the tunica vaginalis

Explanation: A hydrocele is a serous fluid collection within the tunica vaginalis surrounding the testis.

A 60-year-old man presents with a large painless scrotal swelling that clinically resembles a hydrocele. The surgeon cannot adequately palpate the testis. Before planning treatment, which concern most strongly justifies imaging?

Correct Answer: Possible underlying testicular pathology hidden by fluid

Explanation: A large hydrocele can make the testis difficult to examine, so ultrasound is needed to exclude a concealed testicular lesion.

A 39-year-old man has a large hydrocele producing discomfort and heaviness during daily activities. Ultrasound shows no suspicious intratesticular lesion. Which management principle is most appropriate?

Correct Answer: Consider definitive surgical treatment because the hydrocele is symptomatic

Explanation: Persistent or troublesome hydroceles may require definitive surgery after underlying testicular pathology has been excluded.

A 27-year-old man presents with a painless testicular enlargement. Ultrasound shows a solid intratesticular lesion. The clinician now wants investigations that will contribute to tumor assessment before definitive surgery. Which set is most appropriate?

Correct Answer: AFP, β-hCG and LDH

Explanation: AFP, β-hCG and LDH are relevant serum tumor markers used in the assessment and monitoring of testicular tumors.

A man with a suspicious testicular mass has elevated serum tumor markers before surgery. After definitive treatment, the urology team continues measuring these markers during follow-up. What is the main clinical reason for this strategy?

Correct Answer: Serial values can contribute to assessment of disease response

Explanation: Tumor markers can support initial assessment and subsequent monitoring when they are elevated in a testicular malignancy.

A 24-year-old man has a suspicious solid mass confined to the testis on ultrasonography. The surgeon plans an operation that provides both definitive removal of the lesion and tissue for pathological diagnosis while preserving normal oncological principles. Which procedure best fits this aim?

Correct Answer: Radical inguinal orchiectomy

Explanation: A malignant-appearing intratesticular mass is managed through the inguinal route, allowing removal and histological diagnosis without violating scrotal lymphatic pathways.

A patient treated for testicular malignancy develops nodal disease. Knowledge of normal testicular lymphatic drainage helps the clinical team determine where metastatic spread is most likely to appear first. Which nodal region is most relevant?

Correct Answer: Retroperitoneal nodes

Explanation: Testicular lymphatics follow the gonadal vessels to retroperitoneal nodes, explaining the characteristic pattern of nodal spread.

A 28-year-old man with a suspected testicular malignancy asks why a normal tumor-marker profile cannot reassure him that the lesion is benign. Which response best explains the limitation of these tests?

Correct Answer: Some testicular tumors do not produce measurable marker elevation

Explanation: Normal AFP, β-hCG and LDH cannot exclude malignancy because marker secretion varies between tumors.

A 23-year-old man is being counselled before treatment of a testicular tumor. He is unmarried and hopes to have children in the future. Which issue should form an important part of patient-centred counselling?

Correct Answer: Possible impact of disease and treatment on fertility

Explanation: Testicular malignancy and its treatment may affect reproductive function, so fertility concerns should be addressed before definitive therapy.

A 36-year-old man presents with a persistent scrotal swelling. Examination suggests a cystic lesion, but ultrasound demonstrates a discrete solid lesion within the testicular parenchyma. Which finding should take priority when determining the subsequent diagnostic pathway?

Correct Answer: The lesion is solid and intratesticular

Explanation: A solid intratesticular lesion is a key suspicious finding for testicular malignancy and warrants prompt urological evaluation.

A 22-year-old man presents with acute scrotal pain. He has mild urinary discomfort, but examination reveals a markedly tender testis in an abnormal position. Doppler imaging cannot be obtained immediately. Which principle should guide management?

Correct Answer: Clinical suspicion of torsion should prompt urgent surgical assessment

Explanation: When torsion remains clinically likely, unavailable imaging should not delay urgent surgical evaluation because testicular viability is time-dependent.

A patient with epididymo-orchitis is receiving treatment. His fever settles, but scrotal pain, swelling and tenderness remain significant and his overall condition is not improving as expected. Which response is most appropriate?

Correct Answer: Reassess for an alternative diagnosis or complication

Explanation: Failure to improve as expected requires reconsideration of the diagnosis and assessment for complications or another scrotal disorder.

A patient presents with scrotal swelling. The clinician deliberately determines whether the abnormality is located within the testis or outside it before ordering further tests. Why is this distinction clinically useful?

Correct Answer: An intratesticular solid lesion is more concerning for malignancy

Explanation: Localization is diagnostically important because solid intratesticular masses require prompt evaluation for testicular tumor.

A 44-year-old man presents with a chronic painless scrotal enlargement. Examination suggests fluid around the testis, but ultrasound also identifies an unexpected solid intratesticular component. Which management interpretation is most appropriate?

Correct Answer: The solid intratesticular component requires urological evaluation

Explanation: A coexisting fluid collection does not remove the significance of a solid intratesticular lesion, which remains suspicious for tumor.

A final-year student assesses four patients with scrotal swelling. One has sudden severe pain, one has fever and gradual tenderness, one has a transilluminant cystic swelling, and one has a firm painless intratesticular mass. Which diagnostic strategy best reflects appropriate clinical reasoning?

Correct Answer: Integrate onset, pain pattern, associated symptoms, examination and imaging

Explanation: Scrotal disorders are differentiated by combining several mutually supportive clues rather than relying on a single symptom or investigation.