Articles

Kidney Stones

Coronal non-contrast CT images of kidney stones.

(Image available at: https://media.springernature.com/full/springer-static/image/art%3A10.1038%2Fnrurol.2016.154/MediaObjects/41585_2016_Article_BFnrurol2016154_Fig2_HTML.jpg?as=webp)

A. left-sided stone obstructing the ureteropelvic junction. B. Lower pole non-obstructing stone.

PCOS – Ultrasound

Ultrasound image of the ‘string of pearls appearance’ present in PCOS, which refers to numerous small follicles visualized at the periphery of the ovary. (1)

The image can be viewed at: https://link.springer.com/article/10.1007/s00261-018-1830-7/figures/2

 

(1) Ponnatapura J, Dyer RB, Ou JJ. The ovarian ‘string-of-pearls’ sign. Abdominal Radiology. 2019;44:1181-1182. https://doi.org/10.1007/s00261-018-1830-7.

Adenomyosis – MRI

MRI image of adenomyosis.

Adenomyosis MRI Image (Case courtesy of Dr. Varun Babu, Radiopaedia.org, rID: 43504)

“The most easily recognized feature is a thickening of the junctional zone ≥12 mm, either diffusely or focally (normal junctional zone thickness is up to ~5 mm)”. (1)

(1) Gaillard F, Thibodeau R, Liao A, et al. Adenomyosis. Reference article, Radiopaedia.org (Accessed on 17 May 2024). https://doi.org/10.53347/rID-10171.

 

Adenomyosis – Ultrasound

Ultrasound image of adenomyosis. 

Adenomyosis Ultrasound Image (Case courtesy of Dr. Alexandra Stanislavsky, Radiopaedia.org, rID: 13726)

“MUSA features typical of a uterus with adenomyosis include an enlarged globular uterus, asymmetrical thickening of the myometrium, myometrial cysts, echogenic subendometrial lines and buds, hyperechogenic islands, fan-shaped shadowing, an irregular or interrupted junctional zone and translesional vascularity on colour Doppler ultrasound examination.”(1)

(1) Van den Bosch, T., de Bruijn, A.M., de Leeuw, R.A., Dueholm, M., Exacoustos, C., Valentin, L., Bourne, T., Timmerman, D. and Huirne, J.A.F. (2019), Sonographic classification and reporting system for diagnosing adenomyosis. Ultrasound Obstet Gynecol, 53: 576-582. https://doi.org/10.1002/uog.19096 

Case 5 – Benign Prostatic Hyperplasia

Patient Name: John Smith; Age: 62; Gender: Male; Chief Complaint: Difficulty urinating

You are a medical student doing a clinical rotation in the urology department. John Smith, a 62-year-old male, presents to the clinic with complaints of difficulty urinating for the past few weeks. Take a focused history of his complaint and perform a physical examination.

Your tasks:

  1. Greet the patient appropriately and introduce yourself.
  2. Take a focused history from the patient, including the following:
    • Onset, duration, and progression of symptoms
    • Description of the urinary difficulties (hesitancy, weak stream, intermittency, straining, etc.)
    • Associated symptoms (pain, urgency, frequency, hematuria, etc.)
    • Past medical/surgical history
    • Medications
    • Lifestyle factors (smoking, alcohol use, etc.)
  3. Perform a focused physical examination, including:
    • General appearance
    • Abdominal examination
    • Digital rectal examination (if appropriate)
  4. Based on the history and physical examination findings, develop a differential diagnosis.
  5. Explain your clinical reasoning and formulate an initial management plan.
  6. Provide patient education and counseling regarding the condition and next steps.

Case Script:

  • History of Present Illness (HPI):
    • Onset: Gradual onset over the past 3-4 weeks
    • Symptoms:
      • Hesitancy in starting the urinary stream
      • Weak and intermittent urinary stream
      • Straining to urinate
      • Sensation of incomplete bladder emptying
      • Nocturia (waking up 2-3 times per night to urinate)
    • No pain or burning during urination
    • No hematuria (blood in urine)
    • No fever or chills
  • Past Medical History:
    • Hypertension (well-controlled with medication)
    • Hyperlipidemia (well-controlled with medication)
    • Appendectomy (age 25)
  • Family History:
    • Father had prostate cancer (diagnosed at age 70)
    • Mother had breast cancer (diagnosed at age 65)
  • Medications:
    • Lisinopril 10 mg once daily (for hypertension)
    • Atorvastatin 20 mg once daily (for hyperlipidemia)
  • Social History:
    • Married, lives with wife
    • Retired accountant
    • No current tobacco use (quit smoking 15 years ago)
    • Occasional alcohol consumption (1-2 drinks per week)
  • Habits:
    • Diet: Generally balanced diet, not excessively high in fat or salt
    • Exercise: Walks 30 minutes daily, no other regular exercise routine
    • Sleep: Adequate, except for nocturia interrupting sleep
  • Additional Information (if prompted):
    • No history of urinary tract infections or kidney stones
    • No recent trauma or surgeries
    • No unexplained weight loss or appetite changes
    • No neurological symptoms (back pain, leg weakness, etc.)

Cryptorchidism

Classification of cryptorchidism according to the location of maldescended testis in relation to the inguinal canal, with respective relative frequency of incidence: abdominal or intra-abdominal testis (top red oval), inguinal or canalicular testis (middle red oval), and suprascrotal or high scrotal testis (bottom red oval).

Please see Figure 19 within this article: https://link.springer.com/article/10.1007/s00247-016-3706-8#Fig19

Bladder

Ultrasound scan showing a tumor on the back wall of the bladder. (Image available at: https://www.cxbladder.com/assets/Uploads/Ultrasound-BladderCancer-600.jpg)

 

Computed tomography (CT) scan of the bladder showing bladder carcinoma (arrow). (Image available at: https://www.cxbladder.com/assets/Uploads/CT-Scan-BladderCancer-600.jpg)