Dr. Nelson Andrés Canales Casco

An expert in minimally invasive surgery, endoscopic surgery, percutaneous surgery, and laser treatments for urinary stones and tumors of the upper and lower urinary tract. The doctor is also an expert in advanced prostate cancer techniques.

Dr. Nelson Andrés Canales is a surgeon, holds a degree in Medicine from the National Autonomous University of Honduras, and specializes in Urology. He completed his Urology residency between 2014 and 2019 at the San Cecilio University Clinical Hospital in Granada, Spain. He currently combines his work as a urologist at ICUA Andalucía with his position as a Specialist Urologist at the University Hospital of Jerez de la Frontera, where he is part of the urolithiasis and urothelial carcinoma clinics. He also collaborates with the University of Cádiz in the medical student licensing program.

Current specialization

The doctor is an expert in minimally invasive, endoscopic, percutaneous, and laser surgery for the treatment of urinary stones and tumors of the upper and lower urinary tract. He is also an expert in advanced techniques for diagnosing prostate cancer.

Academic activities and membership in organizations

Regarding his research activity, the doctor has been principal investigator and sub-investigator in several clinical trials for the treatment of urothelial carcinoma (lower and upper urinary tract). He has also been a clinical investigator in the project "Application of next-generation massive sequencing and advanced imaging techniques to identify new therapeutic targets that suppress renal defects associated with tuberous sclerosis." He is currently also a tutor for medical students at the University of Cádiz.

Scientific activity

He has performed the Master's Degree in Pediatric Urology imparted by the International University of AndalusiaHe has also completed several University Expert courses in Advanced Urological Surgery. He has participated in numerous regional, national, and international conferences, presenting multiple papers in both English and Spanish. In addition, he is the author of several scientific articles in both national and international journals.

Diseases it treats

Benign Prostate Hyperplasia

Growth of a benign tumor in the prostate gland as a result of aging. It produces urinary symptoms such as difficulty starting urination, weak stream, frequency, urgency, needing to get up to urinate at night, or incontinence.

Kidney Stones

The crystallization of waste products in urine can produce kidney stones. These stones can vary in composition and their elimination may occur naturally or require surgical treatment.

Bladder Cancer

Very common in patients who smoke or who smoked in their youth, it usually presents with blood in the urine and irritative urinary symptoms. 80% of cases are curable.

Phimosis

Narrowing of the foreskin that prevents the glans from being exposed. This can compromise hygiene and cause discomfort during sexual intercourse. It is common in children but sometimes bothers older men as well.

Testicular Cancer

It is a cancer that primarily affects young men. It can be of different types depending on the type of cell it affects, and its main symptom is the appearance of a painless lump in the testicle.

penile cancer

It is a rare cancer, curable when detected early; its detection is difficult in uncircumcised men; you should consult a doctor if you notice any lump or ulcer on the penis, discharge, or bleeding.

Techniques in which he specializes

Flowmetry

This test measures the amount of urine the patient's bladder is able to urinate per second, the duration of urination, and any possible interruptions during urination.

Prostate mapping

Fusion biopsy projects the prostate MRI images onto those obtained in real time in the operating room with ultrasound and allows the biopsy to be directed with great precision to the areas of suspicion of cancer.

urological ultrasound

It allows visualization of the body's interior without the use of radiation, thanks to the use of ultrasound. It can be used to view the kidneys, adrenal glands, parts of the ureters, bladder, prostate, testicles, urethra, and penis.

4K Cystoscopy

It is a diagnostic procedure that allows visualization of the urethra and bladder using a high-resolution cystoscope (a thin tube connected to a camera). It allows the urologist to identify suspicious lesions.

Image fusion prostate biopsy

It is a technique that combines 3-tesla magnetic resonance imaging with ultrasound. This fusion increases the biopsy yield, improving and refining tumor diagnosis.

Varicocelectomy

This procedure involves ligating testicular varicosities, or varicoceles, through a small incision in the groin. It is usually performed in cases where the patient experiences testicular pain or decreased fertility.

Hydrocelectomy

Surgical intervention that resolves the excessive accumulation of fluid around the testicle (hydrocele).

Bladder instillations of hyaluronic acid

Instillation of hyaluronic acid via a catheter into the bladder contributes to the recovery of the urothelial mucosa. It is indicated in cases of painful bladder, interstitial cystitis, chemical cystitis, recurrent cystitis, or radiation cystopathy.

Condyloma removal surgery

Genital warts can be removed with an electric scalpel using local anesthesia, by using liquid nitrogen, which destroys them by freezing (cryotherapy), or by using laser light.

Ureteral catheter or stent

It is a tubular catheter, which is inserted into the ureter, connecting the bladder and kidney, to allow urine to flow down to the bladder.

Ureteral stone surgery

Today, painful kidney stones can be treated with a simple procedure. A very thin instrument is inserted through the urethra, allowing the stones to be pulverized with a laser.

Retrograde intrarenal surgery (RIRS)

A minimally invasive endoscopic procedure that allows a very narrow and flexible instrument, which carries a camera, to be inserted through the urethra and up to the kidney, allowing kidney stones to be pulverized and extracted.

Percutaneous nephrolithotomy

Minimally invasive treatment of large kidney stones, through a puncture a camera and a laser are introduced into the kidney to pulverize the urinary stones.

Laparoscopic and robotic pyeloplasty

Laparoscopic or robotic pyeloplasty is a minimally invasive surgical procedure performed to treat strictures at the junction between the renal pelvis and the ureter. The procedure reconstructs this junction to allow urine to flow…

Transurethral resection of the bladder

This procedure allows examination of the inside of the bladder, taking biopsies or removing tumors from this organ under anesthesia.

ExactVU™ micro-ultrasound guided prostate biopsy

High-detail prostate ultrasound with micro-ultrasound allows obtaining images with a resolution 300 times greater than conventional ultrasound, and visualizing areas suspicious for cancer in the prostate, to guide biopsies with great precision.