Rare medical case: Sacrococcygeal teratoma

In what appears to be a rare male pelvic pathology and concluded to be sacrococcygeal teratoma, gave us some insight into seminal vesical cyst.

Seminal vesical cyst is a very rare pathology in male reproductive system. According to Dr Mohammed Hossain of Shristy Institute for health science and technology, Cysts of the lower male genitourinary tract are uncommon and usually benign.





 These cysts have different anatomic origins and may be associated with a variety of genitourinary abnormalities and symptoms. Various complications may be associated with these cysts, such as urinary tract infection, pain, postvoiding incontinence, recurrent epididymitis, prostatitis, and hematospermia, and they may cause infertility. Understanding the embryologic development and normal anatomy of the lower male genitourinary tract can be helpful in evaluating these cysts and in tailoring an approach for developing a differential diagnosis. There are two main groups of cysts of the lower male genitourinary tract: intraprostatic cysts and extraprostatic cysts. Intraprostatic cysts can be further classified into median cysts (prostatic utricle cysts, müllerian duct cysts), paramedian cysts (ejaculatory duct cysts), and lateral cysts (prostatic retention cysts, cystic degeneration of benign prostatic hypertrophy, cysts associated with tumors, prostatic abscess).
Extraprostatic cysts include cysts of the seminal vesicle, vas deferens, and Cowper duct. A variety of pathologic conditions can mimic these types of cysts, including ureterocele, defect resulting from transurethral resection of the prostate gland, bladder diverticulum, and hydroureter and ectopic insertion of ureter. Accurate diagnosis depends mainly on the anatomic location of the cyst. Magnetic resonance imaging and transrectal ultrasonography (US) are excellent for detecting and characterizing the nature and exact anatomic origin of these cysts. In addition, transrectal US can play an important therapeutic role in the management of cyst drainage and aspiration, as in cases of prostatic abscess.

Case report by Rubaiya Nasrin



Patient is 27 yrs old male, asymptomatic.. there is no connection (passage) with the bladder wall.. after void raised PVR and the cystic structure remains as it is... What could be the diagnosis?

After careful re-examination he concludes thus: "I have seen the case and my opinion goes in favor of Left sided seminal vesical cyst. However I have advised him to do an MRI for final confirmation".

After  MRI scan finally it is detected  to be a rare case of "Sacrococcygeal Teratoma"! (Ref. CMU & DMU HELP LINE (DR. IMRAN)

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