Discussion an adenomatoid tumour of the tunica albuginea is a benign tumour of mesothelial origin. They may be associated with a history of trauma, hemorrhage, or infection. This benign tumor can arise from the epididymis or the testicular tunica. Mri of an adenomatoid tumor of the tunica albuginea february 2004, volume 182 number 2. Most of them occur in the third or fourth decade and present as welldefined firm and painless masses. Adenomatoid tumor of the tunica albuginea in a boy. It is a bilayered structure that includes an outer longitudinal layer and an inner circular layer. The tunica albuginea consists of three connective tissue layers. Tunica albuginea testis radiology reference article. It is probably related to chronic irritation repetitive trauma, infection, surgery or inflammation. Cysts of the tunica albugineamore common testicular. The tunica albuginea ta forms the fibrous covering of the testis and is itself covered by the serous layer, the tunica vaginalis. Tunica definition of tunica by the free dictionary.
It is obvious that these cysts can be both of epithelial and of mesothelial origin. Ultrastructural changes in collagen of penile tunica. We report here a case of adenomatoid tumor from tunica albuginea. The whitish membrane within the penis that surrounds the spongy chambers corpora cavernosa. The depiction of the thin lowsignal welldelineated zone between the mass and the adjacent testicular parenchyma, corresponding to the tunica albuginea, helped to indicate the origin of the mass. The covering is total, except for at the point of attachment of the epididymis, and a small defect posteriorly where the spermatic cord vessels enter and leave the testis. Title benign cystic lesion of the tunica albuginea. Well, the tunica albuginea is like the casing of that sausage.
The adjacent testicular parenchyma showed poorly defined decreased t2 echogenicity, suggesting a. The anatomy of the tunica albuginea in the normal penis. The testis has a rich superficial plexus beneath the tunica albuginea. Sonographic spectrum of tunica albuginea cyst journal of. Tunica albuginea cysts are characteristically located at the upper anterior or lateral aspect of the testicle. Mri of an adenomatoid tumor of the tunica albuginea. Albuginea means white, as in the white part of an egg, which is called the albumen. Tunica definition is an enveloping membrane or layer of body tissue. Whereas a nodular pseudotumor may be treated with excision of the tunica vaginalis, the diffuse. The anatomy of the tunica albuginea in the normal penis and peyronies disease. The 15 casinos along the mississippi river from natchez to tunica county saw revenue fall. The tunica albuginea helps to trap the blood in the corpora cavernosa, thereby sustaining erection of the penis. Due to hard pressure on male organ at time of ejaculation when i use to do over masturbation and when end of ejaculate i stop semen out i gave to hard pressure on base of organ due to that i have ejaculate problem without erection and start pain in my male organ. Tunica 1 in animals, the peripheral layer of skin coverings of ascidians, salpids, and other animals of the subphylum tunicata, phylum chordata.
Tunica albuginea penis, the tough fibrous layer of connective tissue that surrounds the corpora cavernosa of the penis tunica albuginea testicles, a layer of connective tissue covering the testicles tunica albuginea ovaries, the connective tissue covering of the ovaries tunica albuginea oculi, the tough fibrous layer that covers most of the eyeball. The tumor seemed to infiltrate the tunica albuginea and the rete testis, as well as the root of the epididymis. A hydrocele is a collection of fluid between the tunica vaginalis and tunica albuginea, which covers the surface of the testes. Tunica albuginea ta cyst is the most common extratesticular benign mass, which is usually palpable. It can be seen in all ages, but is most common in the third to fifth decades of life. The adjacent testicular parenchyma showed poorly defined decreased t2 echogenicity, suggesting a loss of water content. Tunica albuginea cysts range from 2 to 5 mm in diameter and are brought to medical attention when a patient presents with a palpable lump. Their mean age at presentation is 40 years although may be seen in the 5 th and 6 th decades.
We report our experience with 6 cases of cysts of the tunica albuginea over a 12. Tunica albuginea ta of the penis, which has an important role in mechanism of erection, is composed mainly of collagen bundles. Tumours of mesenchymal origin in the scrotum are rare, more often cutaneous epithelial tumours are seen. The tunica albuginea has extensions into each testis read more. Choose from 298 different sets of ovary histology flashcards on quizlet. Leiomyomas of the tunica albuginea considered to be of benign behaviour. Information and translations of tunica albuginea in the most comprehensive dictionary definitions resource on the web. More recently, mennemeyer and mason3 reported two cysts and presented ultrastructural evidence for an efferent ductule origin. Albuginea article about albuginea by the free dictionary. Look up information on diseases, tests, and procedures. Tunica albuginea is the next layer which is a thick, protective layer made of densely packed fibers that further shield the testes.
They arise from the tunica albuginea, a fibrous layer below the tunica vaginalis which. Both aging and diabetes mellitus dm were reported to be. Chapter twentyeight questions and study guide quizlet. Fibrous pseudotumor of tunica albuginea testis mimicking. Ultrasound examination is the imaging modality of choice to characterize palpable testicular lesions. This pictorial essay presents the spectrum of sonographic features of ta cysts in order to assist radiologists in making the correct diagnosis and avoid unnecessary surgeries. In the neonate, this fluid originates in the peritoneal cavity that communicates with the scrotum via an evagination or extension of the peritoneum termed a patent processus vaginalis. At us, thickening of the inner surface of the tunica vaginalis is seen, with focal linear calcification and ossification that indents and partially obscures the adjacent testis. Anyone interested in peyronies disease sooner or later comes across the term tunica albuginea and wonders just what it means and what it looks like can you picture a sausage or hot dog that has a tube of casing around it. An adenomatoid tumor is the most common extratesticular neoplasm 1.
Adenomatoid tumors at are the most common paratesticular neoplasms and account for approximately 30% of all paratesticular masses. Original article nontensile tunica albuginea plication. A stallion whose prepuce or penis has be traumatized, should be isolated from mares until the wound has healed. Arcadi2 reported three cases of such a cyst in 1952 and suggested an inflammatory origin. When the mass arises from the tunica vaginalis or tunica albuginea, sonographic. Penile hematomas that continue to expand should be explored to determine if the origin of the hemorrhage is a rent in the tunica albuginea. The tumor completely encased the right coronary artery with external compression of the vessel wall without invasion into the tunica media. The tunica albuginea is the fibrous covering of the testis. The tunica is a thickened cuticle of cutaneous epithelium that is colonized by. Learn vocabulary, terms, and more with flashcards, games, and other study tools. After a mean followup period of 18 months, successful results with respect to penile straightening, normal erection, penetration and. This refers to the tunica albuginea s dense, white membranous layer, which consists of bundles of interlaced tissue. Tunica albuginea ta cysts are the most common extratesticular benign scrotal mass lesion. The tunica albuginea and interlobular septa make up the connective tissue framework of the testis.
Their clinical significance lies in their presentation as discrete testicular masses often diagnosed as malignancies prior to removal. This sac is lined internally by the tunica vasculosa, containing a network of blood vessels, and is covered by the tunica vaginalis, which is a continuation of the membrane that lines the abdomen and pelvis. Tunica albuginea damage treatment health consultation. Tunica albuginea medical definition merriamwebster. The patient underwent a testicular sparing surgery. Tunica albuginea article about tunica albuginea by the. Tunica albuginea definition of tunica albuginea by. An intraoperative frozen section biopsy confirmed the lesion to be benign and this was reported on permanent section to be fibrous pseudotumor of the tunica albuginea. This patient is a 12yearold boy with left testicular pain for 6 months. We studied the fine architecture of the tunica albuginea of the penis.
622 1496 93 354 676 1114 1071 577 1508 747 849 83 604 1517 1449 748 650 1241 955 1214 1019 160 606 752 1308 1384 452 1374 607 1242