Study with the several resources on Docsity
Earn points by helping other students or get them with a premium plan
Prepare for your exams
Study with the several resources on Docsity
Earn points to download
Earn points by helping other students or get them with a premium plan
Community
Ask the community for help and clear up your study doubts
Discover the best universities in your country according to Docsity users
Free resources
Download our free guides on studying techniques, anxiety management strategies, and thesis advice from Docsity tutors
CONTENTS: Introduction Chapter I 1.1. Anatomy and physiology of the prostate 1.2. Vascularization and innervation of the prostate Chapter II Brief notes on the anatomy and physiology of the male genital system 2.1. Male genital organs 2.2. Glands attached to the male genital organs A. Seminal vesicle B. Prostate 1. General 2. Prostatic lodge 3. Reports of the prostate 4. Structure of the prostate 5. Physiology of the prostate C. Bulbourethral gland Chapter III. Prostate adenoma 3. Description of the disease 3.1. Definition 3.2. Pathogenesis 3.3. pathophysiology 3.4. Clinical manifestations 3.5. Positive diagnosis 3.6. Complications. Evolution 3.7. Treatment of prostate adenoma 3.7.1. Medical treatment 3.7.2. Hormonal
Typology: Thesis
1 / 43
WITH CANCER
CONTENTS: 2.1. Male genital organs 2.2. Glands attached to the male genital organs A. Seminal vesicle B. Prostate 1. Generalities
Rudimentary as a child, it begins to increase its volume with the onset of puberty. From this age, her diseases start, especially the inflammatory ones, related to the beginning of sexual life. The genesis of the adenoma, like any tumor, is unknown. knows the cause or causes of its occurrence. However, we can talk about a prophylaxis of the complications it can cause, and this is achieved through periodic monitoring of the adenoma and timely surgical treatment. The prostate is very important in men's pathology through the diseases it causes In the occurrence of the adenoma, we cannot speak of a prophylaxis, because there is none prostate adenoma, benign tumor, less often prostate cancer begin to appear. Supporting memorandum Spontaneous complications can occur in the evolution of the adenoma, such as: infection of the adenoma or adenomyitis, vascular ruptures, which cause small or more abundant hemorrhages, less often adenoma cancer. With advancing age, after 50-60 years, inflammatory lesions become rare, but can present, diseases that can cause both urinary and sexual manifestations. Prostate adenoma develops after the age of 50, less often at a younger age. It has a slow and progressive evolution. It can evolve for years absolutely silently, or causing mild disturbances, which do not attract the individual's attention.
The intrinsic relationships are with the prostatic urethra and the ejaculatory ducts. Due to the close relations of the prostate with the prostatic portion of the urethra, as a result of the size of the volume of the prostate (prostatic hypertrophy), the urethra can be blocked with the impossibility of removing urine from the bladder. The bladder ball is formed which requires emergency evacuation either by bladder probe (rubber probe) or by puncture, immediately above the pubic symphysis. and posteriorly with the retrovesical space. Between the lodge and the gland, the periprostatic space is formed, in which there is loose connective tissue. Around the gland, this condensed tissue forms the periprostatic fascia (fascia prostatae). Next to this tissue are the vesico-prostatic venous plexuses. The periprostatic fascia should not be confused with the gland's own capsule. The prostate is fixed by the perineum, by the puboprostatic ligaments and by the adhesions with the urethra and the urinary bladder.
Arterial irrigation is given by the lower vesical arteries (vesicalis inferior) and by lateral and located in front of the urethra, sometimes missing, the middle lobe (lobus medius), middle rectal arteries (rectalis media). located in the posterosuperior part of the gland and the posterior lobe (lobus posterius) located in the posteroinferior portion near the rectum. The veins open into the prostatic venous plexus, which surrounds the gland and then drains into the internal pubic vein. Connection between the prostatic venous plexus and the vertebral venous plexus is clinically important. The avalvular veins from the prostatic venous plexus drain into the avalvular vertebral veins. Since blood flows in both directions, it can be pushed, during a cough, sneeze or an effort, from the prostatic venous plexus into the vertebral veins. Once it reaches the vertebral venous plexus, the blood can also pass into the segmental intervertebral veins and from there into the azygos venous system. So blood from the urethra and bladder can reach the heart through the superior vena cava instead of passing through the inferior vena cava. The internal vertebral venous plexus is large enough to carry pelvic blood, if the vena cava is obstructed. The glands are of two categories: periurethral, of the mucous type, located around which they open through holes in the urethra, and the actual prostatic glands of the tubuloveolar type, in number of 30-50, whose excretory channels join to form the prostatic ducts (duct prostatic), which open in the prostatic sinuses, they are in relation to the urethral sphincter, they are extrasphincteric, unlike the periurethral ones that are intrasphincteric. The inerglandular stroma consists of smooth, collagenous and elastic muscle fibers. The prostate is wrapped in its own capsule, made of dense connective tissue, Cancer cells from a prostate tumor can metastasize in this way in the vertebral column, invading the vertebrae and generating secondary cancerous tumors (metastases). In this way, the high frequency of vertebral metastases after prostate cancer applies. elastic and smooth muscle fibers, from the level of which start musculoelastic conjunctive septa that separate the glandular parenchyma, crossed by the ejaculatory ducts and the prostatic utricle, the urethra being located anteriorly. The lymph goes to the internal, external and sacral iliac lymph nodes. The intervention is given by the prostatic plexus, a branch of the lower hypogastric plexus that contains sympathetic and parasympathetic fibers. urethra The prostate is of great medical interest, because benign nodular hyperplasia of the prostate is a common condition in elderly men. This condition starts around the age of 50 and leads to variable degrees of obstruction of the bladder colon. , The dimensions and activity of the prostate are regulated by sex hormones. The prostate is small but grows rapidly during puberty (between 13-16 years). In most men, the prostate progressively enlarges (hypertrophy), but in some it becomes more fibrous and shrinks (that is, it undergoes a process of atrophy).
From the size of a chestnut and the weight of 20 grams, the prostate can grow to the size of an adult's fist and the weight of 80-100 grams or even several hundred grams. -difficulty urinating; Sometimes the patient does not show any symptoms until an acute urinary retention suddenly sets in. It is necessary for the doctor to intervene through a survey or other measures to avoid serious complications.
Testicles - have the role of producing spermatozoa and male sex hormones. Male testicles or gonads are oval in shape, 3.75 cm long and 2.5 cm thick. Each testicle consists of several seminiferous tubules wrapped around them, in which spermatozoa are produced. Their outer covering consists of a calcus made up of smooth muscle fibers, whose contractions facilitate the passage of spermatozoa to the ejaculatory ducts The spermatozoa contained in the seminal fluid are transported through seminal ducts (spermatic ducts), which have different names, according to the segment considered: The testicles are contained in a median sac, formed by concentric tunics, called the scrotum, and the urethra passes through the male copulatory organ, the penis. The penis is the copulatory organ of the man, but also the organ of urination, because it also contains the spongy part of the urethra. It is located medially above the scrotum. It has an almost cylindrical shape and consists of the root and a free part. The root, which constitutes the fixed part of the penis, is located deep in the perineum and fixed to the pelvic bones by the fundiform ligament and the suspensory ligament of the penis.
Their capacity is 5-10 ml, the length is 5 cm, but if they unfolded, they would reach 10-15 cm. Taking into account that they are about 5 mm thick, the appearance of the seminal vesicles is that of a tube. In children, they are small, they develop quickly, starting with puberty. Placement - the seminal vesicles are located above the prostate, between the urinary bladder and the rectum, in the connective tissue of the pelvissubperitoneal space.
Reports. Previously, they correspond to the bottom of the bladder. Posteriorly, they answer the rectum, medially the ampullae of the vas deferens pass through them. Laterally, they have relationships with the prostatic and bladder venous pleura.
The color of the prostate is grey-reddish. The consistency is elastic, but firm, easy to perceive by rectal touch. In a normal state, its surface is smooth, in certain pathological circumstances, it presents hardened portions and irregularities. Dimensions. The prostate is little developed at birth. It grows explosively at puberty and continues to grow in adults. In the elderly, the prostate can atrophy, but most of the time it hypertrophies and compresses the urethra. It measures 3 cm vertically, 4 cm transversely and 2.5 cm sagittally. An adult has a weight of 20-25 g.
the base located behind the bladder neck and extends down to the plane that passes through the ejaculatory ducts. This plane is obliquely descending from top to bottom and back to front. It should be noted that the ejaculatory ducts do not actually cross the glandular substance, but insinuate themselves between the group of lateral and middle glands. There are authors who understand by "isthmus" the middle lobe. Besides the glands, we also find a musculo-conjunctival-elastic stroma, in which smooth muscle fibers predominate, a feature that is a characteristic of the organ. The posterior lobe - it is not homologated in the anatomical nomenclature, but it is recognized The internal structure of the prostate consists of 3 lobes. The inner lobe, which surrounds the urethra, is the one that causes inflammation in elderly people. It constricts the urethra producing a multitude of collective symptoms, known as ÿbenign prostatic hypertrophy (BPH)ÿ. The outer lobes or capsules of the gland are a reserve in a surgical intervention for the elimination of benign prostatic hypertrophy (BPH); is where prostate cancer occurs. The prostate secretes a milky liquid, which spills into the prostatic portion of the urethra, usually during sexual intercourse. The prostate is a storage gland, and its abundant musculature fulfills the biological role of evacuating the secretion extremely quickly during ejaculation. by clinicians due to its great importance in pathology. It occupies the postero-inferior peripheral part, far from the urethra, but adjacent to the rectum. The location of the prostate predicts future problems, which may arise due to the growth potential of the prostate, which can gradually strangle the urethra, Ontogenetic, functional and architectural - the prostate glands are grouped into four causing a multitude of possible problems. From the statistics, 11% of American men were surprised that there is a prostate and 57% do not know the symptoms of prostate disorders. lobes: two lateral lobes, connected by an isthmus, the middle lobe and the posterior lobe. We remind you that the prostate is covered on the outside by the sphincter of the urethra The lateral lobes - right and left - form the largest part of the gland. They are found and inside it the urethra is surrounded by the sphincter of the bladder. Outside the external sphincter is the prostate fascia or periprostatic capsule, originating from the visceral pelvic fascia. All these formations are not part of the prostate. on the sides and back of the urethra, below an oblique plane that passes through the ejaculatory ducts. On the posterior median line, they determine the groove open to the respective face.
The isthmus of the prostate is a thin glandular bridge, located in front of the urethra, which connects the two lateral lobes. It may contain glandular tissue, but most often it consists only of conjunctival- muscular stroma. There are rare cases when the isthmus is missing. In these cases, the urethra wrapped in the sphincter of the bladder is located in a groove on the anterior face of the prostate. The structure of the prostate is predominantly glandular. The middle lobe - forms the postero-superior part of the gland. He occupies the part of The prostate glands form the parenchyma and are arranged in several groups, separated into lobes.
Bulbourethral glands are also known as Cowper's glands. They there are two of them: right and left. The prostate would have a genital role. Its extirpation, (at least in animals), reduces them The arteries come from the lower bladder and the middle rectal. From these, capsular and trabecular branches come off, both of which emit arterioles that capillarize around the glands. Their volume is variable, sometimes reaching up to 1 cm in diameter. They have a whitish-white color and an elastic consistency. reproductive capacity. The veins originating from this capillary network follow a parallel path, but in reverse The bulbourethral glands are located in the angle between the bulb of the penis and the segment After the age of 20-25 years, concretions form in the prostatic alveoli arteries. They open in the prostatic venous plexus, which surrounds the gland and flows back into the internal pubic vein. membranous of the urethra and are contained in the urogenital diaphragm. The lymphatics are formed from perialveolar plexuses, reach a periprostatic plexus and from here to the external, internal and sacral iliac nodes. from concentric, sometimes calcified layers called sympexions or amylaceous bodies, which constitute the so-called "prostatic sand". They are made of proteins (sparmin crystals) and their number increases with age. The prostate is a hormone-dependent gland, being strongly influenced by sexual hormones. Present at birth, it develops "explosively" at puberty. During adulthood, the lateral lobes are stimulated by testosterone production, while the middle lobe and the periurethral glands are under the influence of estrogens. With age, under normal conditions, testosterone production decreases and the prostate atrophies. This senile atrophy affects the entire organ, both the glandular component and the musculo-conjunctival one. The nerves come from the prostatic nerve plexus, located on the posterior and lateral sides of the If, along with the decrease in testosterone secretion, there is an increase in the estrogen level, "prostate hypertrophy" will occur. This particularly interests the periurethral glands and the middle lobe. Instead, an increase in the concentration of testosterone produces prostate cancer, which includes especially the posterior lobe. gland. The prostatic nerve plexus comes from the lower hypo-gastric plexus (mixed plexus: sympathetic and parasympathetic). The nerves go along the vessels and end with sensitive, secretory and motor fibers. This is where the practical application of hormonal influence on prostate tumors can be derived: the adenoma is treated with testosterone, and the cancer with estrogens and castration
Vessels and nerves. The arteries are branches of the internal pubic artery. The veins cross the deep transverse muscle, narrow in the prostatic venous plexus. The lymph reaches the internal iliac nodes. Nerves are branches of the vagus nerve. The bulbourethral glands are embedded between the fibers of the deep transverse muscle of