Related Experiment Video
Updated: May 13, 2025

5/6 Nephrectomy Using Sharp Bipolectomy Via Midline Laparotomy in Rats
Published on: April 4, 2025
Calciphylaxis Penile Lesion: An Unusual Complication of End-Stage Renal Disease
Julia Grote1, Elizabeth Geyer-Roberts1, Andrew Banuelos2
1Dr. Kiran C. Patel College of Osteopathic Medicine, Nova Southeastern University, Fort Lauderdale, USA.
Abstract:
Calciphylaxis is a rare disease that usually affects patients with end-stage renal disease (ESRD), also known as uremic calcific arteriolopathy. Calciphylaxis typically presents as an extremely painful skin nodule that progresses to ulcerated and frequently gangrenous lesions. Diagnosis can be difficult and treatment relies on a multidisciplinary approach to care. The following case describes a medically complex 37-year-old male patient with a painful penile calciphylaxis lesion. Calciphylaxis is a complex systemic disease that is difficult to diagnose. We highlighted in this case the importance of having a high index of suspicion in ESRD patients who present with a painful penile lesion.
Related Concept Videos
Renal Corpuscle
Glomerulus: Structure and Function
The glomerulus is a tiny, intricate network of capillaries located at the beginning of the nephron. It's enveloped by the Bowman's capsule and receives its blood supply from an afferent arteriole, which divides into numerous...
Nephrons
Dialysis
Acute kidney injury develops suddenly and can be caused by pre-renal causes (e.g., hypovolemia, shock), intrinsic renal causes (e.g., acute tubular necrosis), or post-renal causes (e.g., urinary obstruction). In contrast, chronic renal failure progresses gradually over time and is often...
Factors Affecting Renal Clearance: Renal Impairment
One condition associated with renal failure is uremia. Uremia is characterized by impaired glomerular filtration and fluid accumulation in the body. This condition hinders the renal clearance of drugs, resulting in drug accumulation and potential...
Kidney Structure
Renal Tubule and Collecting Duct
Proximal Convoluted Tubule (PCT):
The PCT is the initial segment of the renal tubule, extending from the Bowman's capsule that encloses the glomerulus. Its convoluted structure and microvilli-lined cells increase the surface area for reabsorption. The PCT reabsorbs glucose, amino acids, sodium, and water from the filtrate, ensuring essential...

