PET Exam 3 - Male Genitalia and Anus

Standing position

What is the preferred patient position for examining male genitalia, evaluating scrotal masses, and inspecting for groin hernias?

Supine position

What alternative patient position can be used for a male genitalia examination if the patient is unable to stand?

Prepuce (Foreskin)

What fold of skin covers the glans penis in an uncircumcised male?

Smegma

What normal, cheesy white secretion accumulates beneath the foreskin of uncircumcised males?

Glans penis

What is the expanded distal end of the penis surrounding the urethral meatus?

Coronal sulcus

What anatomical groove separates the glans penis from the shaft of the penis?

Rugae

What are the thin, wrinkled skin folds covering the normal scrotum?

Tunica vaginalis

What serous membrane sac derived from the peritoneum surrounds each testis except along its posterior border?

Firm, smooth, rubbery, descended, symmetric, and non-tender

What are the normal physical palpation characteristics of a healthy testicle?

Posterior surface of each testicle

Where is the epididymis anatomically situated relative to the testicle?

Soft, nodular, and cord-like

What are the normal palpation feel and texture characteristics of a healthy epididymis?

Vas deferens

What firm, smooth, cord-like duct transports sperm from the epididymis to the ejaculatory duct?

Spermatic cord

What anatomical structure contains the vas deferens, testicular artery, pampiniform venous plexus, nerves, and lymphatic vessels?

Pampiniform plexus

What network of veins within the spermatic cord cools arterial blood entering the testis?

Midpoint of the inguinal ligament

What surface anatomical landmark corresponds to the internal (deep) inguinal ring?

Hypospadias

What congenital anomaly is characterized by displacement of the urethral meatus to the ventral surface (underside) of the penis?

Epispadias

What congenital anomaly is characterized by displacement of the urethral meatus to the dorsal surface (top side) of the penis?

Phimosis

What condition is defined as the inability to retract the foreskin over the glans penis due to a tight prepuce?

Paraphimosis

What urologic emergency occurs when a retracted foreskin becomes trapped behind the glans, causing severe edema and venous congestion?

Peyronie's disease

What condition presents with palpable, non-tender fibrous plaques under the skin of the penile shaft, causing pain and lateral or dorsal curvature during erection?

Priapism

What urologic emergency involves a persistent, painful erection lasting longer than 4 hours unrelated to sexual stimulation?

Condyloma acuminata (Genital warts)

What genital lesions present as soft, moist, flesh-colored, cauliflower-like papules or plaques caused by HPV types 6 and 11?

Primary Syphilis (Chancre)

What STI presents as a single, painless, indurated, oval ulcer with a clean base and raised borders caused by Treponema pallidum?

Chancroid

What STI presents as single or multiple painful, soft ulcers with necrotic yellow bases and ragged borders, caused by Haemophilus ducreyi?

Buboes

What painful, suppurative inguinal lymph node enlargements commonly accompany a chancroid infection?

Genital Herpes (HSV)

What STI presents as clusters of small, painful vesicles on an erythematous base that rupture to form shallow painful ulcers?

Penile Carcinoma

What malignancy presents as an indurated, non-tender nodule or ulcerated warty plaque on the glans or foreskin, seen primarily in uncircumcised men?

Milk the penile shaft from base to tip

What action should you instruct the patient to perform if they report a urethral discharge that is not immediately visible?

Replace (advance forward) the foreskin

What critical step must be performed immediately after inspecting beneath a retracted foreskin to prevent paraphimosis?

Palpate the shaft between the thumb and first two fingers

How should the examiner palpate the penile shaft to detect induration, plaques, or tenderness?

Treponema pallidum

What spirochete bacterium causes primary syphilis chancres?

Haemophilus ducreyi

What fastidious gram-negative bacterium causes chancroid?

Herpes Simplex Virus Type 2 (HSV-2)

What viral agent is the most common cause of painful, recurrent genital vesicular eruptions?

Human Papillomavirus (HPV)

What viral family causes condyloma acuminata (genital warts)?

Uncircumcised status

What anatomical factor is a major predisposing risk factor for developing penile squamous cell carcinoma?

Hydrocele

What is a painless collection of serous fluid within the tunica vaginalis surrounding the testicle?

Red glow (positive transillumination)

What specific physical exam finding on transillumination confirms a cystic scrotal mass like a hydrocele or spermatocele?

Examiner can get fingers above the mass in the scrotum

What physical examination finding distinguishes a scrotal hydrocele from an inguinal hernia that extends into the scrotum?

Spermatocele (Epididymal cyst)

What is a painless, transilluminating cystic mass located on the epididymis containing sperm?

Superior and posterior to the testicle

Where is a spermatocele characteristically located relative to the body of the testicle?

Varicocele

What condition is characterized by abnormal tortuous dilation of the pampiniform venous plexus within the spermatic cord?

"Bag of worms"

What classic descriptive phrase describes the palpation feel of a prominent varicocele?

Left side

On which side of the scrotum do varicoceles occur most commonly due to the left testicular vein entering the left renal vein at a 90-degree angle?

Standing position or performing Valsalva maneuver

In what position or maneuver does a varicocele become visibly dilated and distinctly palpable?

Supine position

In what patient position does a primary varicocele characteristically decompress and collapse?

Renal cell carcinoma or retroperitoneal mass obstructing the IVC

What underlying retroperitoneal or vascular pathology should be investigated if a right-sided or non-reducing varicocele is found?

Infertility and testicular atrophy

What are two major potential clinical complications associated with an untreated varicocele?

Testicular Torsion

What surgical emergency results from twisting of the spermatic cord, leading to venous occlusion and testicular ischemia?

Sudden onset of severe, acute unilateral scrotal pain, swelling, and nausea

What is the classic clinical presentation of testicular torsion?

High-riding testicle with a horizontal lie

What anatomical position does the affected testicle assume in testicular torsion?

Absent cremasteric reflex

What physical examination finding strongly supports the diagnosis of testicular torsion over epididymitis?

Negative Prehn sign

What sign is present when elevating the scrotum fails to relieve pain, strongly indicating testicular torsion?

Within 6 hours

What is the critical time window from symptom onset for surgical detorsion to prevent irreversible testicular infarction?

Epididymitis

What is an acute or chronic inflammation of the epididymis causing gradual onset of scrotal pain, fever, and dysuria?

Chlamydia trachomatis and Neisseria gonorrhoeae

What are the two most common infectious causes of acute epididymitis in sexually active males under 35 years of age?

Escherichia coli and Pseudomonas aeruginosa

What are the most common causative organisms of acute epididymitis in males older than 35 years of age?

Positive Prehn sign

What physical sign occurs when physical elevation of the scrotum relieves scrotal pain in acute epididymitis?

Preserved cremasteric reflex

Is the cremasteric reflex typically preserved or absent in acute epididymitis?

Acute Orchitis

What condition presents with acute testicular pain, swelling, and fever, commonly associated with the Mumps virus?

Mumps paramyxovirus

What systemic viral infection is the classic cause of isolated acute viral orchitis?

Testicular Cancer

What diagnosis must be suspected when a painless, firm, or hard intratesticular nodule is felt within the body of the testis?

Solid mass that blocks light (does not transilluminate)

What result is seen on transillumination when evaluating a testicular tumor?

15 to 35 years of age

What age group has the highest incidence rate for primary testicular carcinoma?

Cryptorchidism (undescended testicle)

What is the single most significant congenital risk factor for developing testicular cancer?

Cryptorchidism

What clinical term describes a developmental condition where one or both testicles fail to descend into the scrotum?

Malignancy and infertility

What are the two primary long-term clinical risks associated with uncorrected cryptorchidism?

Stroke the inner upper thigh to observe elevation of the ipsilateral testicle

How is the cremasteric reflex elicited during a physical examination?

Genitofemoral nerve (L1-L2)

What spinal nerve root pathway mediates the sensory and motor limbs of the cremasteric reflex?

Superficial inguinal lymph nodes

What lymph node group drains the skin of the penis and scrotum?

Para-aortic (retroperitoneal) lymph nodes

What lymph node group receives lymphatic drainage directly from the testicles?

Inguinal hernia

What type of groin hernia accounts for approximately 96% of all groin hernia cases in men?

25% lifetime risk

What is the estimated lifetime risk for a male to develop a groin hernia?

Indirect Inguinal Hernia

What is the most common type of groin hernia overall across all ages, sexes, and populations?

Through the internal inguinal ring, down the inguinal canal, exiting the external ring into the scrotum

What path does an indirect inguinal hernia follow relative to the inguinal canal?

Touches the tip of the examining finger

What specific sensation is felt on the provider's finger during coughing if an indirect inguinal hernia is present?

Failure of the processus vaginalis to close (congenital defect)

What is the primary underlying anatomical cause of an indirect inguinal hernia?

Direct Inguinal Hernia

What groin hernia arises directly through a weakness in the transversalis fascia within Hesselbach's triangle?

Pushes against the side of the examining finger

What specific sensation is felt on the provider's finger during coughing if a direct inguinal hernia is present?

Medial to inferior epigastric vessels, inferior to inguinal ligament, lateral to rectus abdominis

What anatomical boundaries define Hesselbach's triangle?

Acquired weakness of the abdominal wall musculature in older males (&gt

40 years)

What is the primary cause of a direct inguinal hernia?

Femoral Hernia

What type of hernia protrudes through the femoral canal below the inguinal ligament and medial to the femoral vein?

Femoral Hernia

Which type of groin hernia is least common overall but occurs more frequently in women than in men?

High risk of incarceration and emergency operation

Why do femoral hernias require prompt surgical intervention despite being relatively uncommon?

Never extends into the scrotum

Does a femoral hernia ever extend down into the scrotal sac?

Place index finger at inferior scrotal margin and invaginate skin upward along spermatic cord to external ring

How is the finger positioned to palpate for an inguinal hernia?

Ask the patient to cough or perform a Valsalva maneuver

What action should you instruct the patient to perform while your finger is at the external inguinal ring to check for a hernia?

Incarcerated hernia

What term describes a hernia whose contents cannot be pushed back (reduced) into the abdominal cavity?

Strangulated hernia

What surgical emergency occurs when an incarcerated hernia suffers compromised blood supply, leading to ischemia and tissue necrosis?

Do NOT attempt reduction if the hernia mass is tender or if the patient reports nausea and vomiting

What is the strict rule regarding manual reduction of a non-reducing hernia?

USPSTF advises against routine screening for testicular cancer in asymptomatic males

What is the official recommendation of the US Preventive Services Task Force (USPSTF) regarding routine screening for testicular cancer in asymptomatic males?

Side-lying position with hips and knees flexed

What is the most common patient position for a digital rectal exam (DRE) in men that allows good visualization of perianal and sacrococcygeal areas?

Standing and leaning forward across the examination table

What alternative positioning option can be used for a male rectal examination besides the lateral decubitus position?

Lithotomy position

In what position is the rectal exam usually performed in women following a pelvic examination?

Lateral side-lying position

What position is satisfactory for a female rectal examination if only the rectal exam is being performed?

Pressure, wetness from lubricant, and slow finger movement

What sensory sensations should you warn the patient they may feel during a digital rectal exam?

Discomfort

While a digital rectal exam may cause discomfort, what sensation is abnormal and should rarely be felt unless acute pathology is present?

Direction of the umbilicus

In what anatomical direction should the examiner's lubricated fingertip be gently inserted into the anal canal?

External anal sphincter

Which muscle is the patient asked to squeeze during a DRE to assess muscular tone?

Stop the exam and do not apply force

What action should the provider take if severe anal tenderness prevents entry during a digital rectal exam?