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spermatogenic failure 8
Description
Spermatogenic Failure: A Severe Male Infertility Condition
Spermatogenic failure, also known as SPGF64 or SPGF30, is a severe male infertility condition characterized by the disruption of sperm development from diploid cells to mature haploid spermatozoa [3]. This condition results in decreased sperm motility, concentration, and multiple sperm structural defects [7].
Causes and Characteristics
The genetic causes of spermatogenic failure remain largely unknown, though abnormalities in the sex chromosomes constitute a significant portion of them [8]. Spermatogenic failure can be caused by numerical and structural chromosomal abnormalities that interfere with normal meiosis [5]. This condition is often associated with nonobstructive azoospermia or cryptozoospermia, where there are no sperm or very few sperm in the ejaculate [6].
Types of Spermatogenic Failure
There are different types of spermatogenic failure, including SPGF64 and SPGF30. SPGF64 is characterized by male infertility due to oligoasthenoteratozoospermia or nonobstructive azoospermia [4]. SPGF30 is also characterized by male infertility due to nonobstructive azoospermia or cryptozoospermia, with very few sperm present in the ejaculate [6].
Conclusion
Spermatogenic failure is a severe male infertility condition that affects sperm development and results in decreased sperm motility, concentration, and multiple sperm structural defects. The genetic causes of this condition remain largely unknown, though abnormalities in the sex chromosomes are a significant portion of them.
Additional Characteristics
- Spermatogenic failure is a severe male infertility condition characterized by the disruption of sperm development from diploid cells to mature haploid spermatozoa.
- The genetic causes of spermatogenic failure remain largely unknown, though abnormalities in the sex chromosomes constitute a significant portion of them.
- Spermatogenic failure can be caused by numerical and structural chromosomal abnormalities that interfere with normal meiosis.
- This condition is often associated with nonobstructive azoospermia or cryptozoospermia, where there are no sperm or very few sperm in the ejaculate.
- There are different types of spermatogenic failure, including SPGF64 and SPGF30.
- SPGF64 is characterized by male infertility due to oligoasthenoteratozoospermia or nonobstructive azoospermia.
- SPGF30 is also characterized by male infertility due to nonobstructive azoospermia or cryptozoospermia, with very few sperm present in the ejaculate.
- Spermatogenic failure affects sperm development and results in decreased sperm motility, concentration, and multiple sperm structural defects.
Signs and Symptoms
Spermatogenic Failure Signs and Symptoms
Spermatogenic failure, also known as severe spermatogenic failure, can manifest in various ways. Some common signs and symptoms include:
- Reduced testicular volume: Men with this condition may experience a decrease in the size of their testicles [7].
- Decreased serum testosterone: Spermatogenic failure can lead to lower levels of testosterone in the blood [7].
- Increased LH (Luteinizing Hormone) levels: Elevated LH levels can indicate an issue with sperm production or maturation [7].
These symptoms can be indicative of spermatogenic failure, which is a type of severe infertility in men. It's essential to consult a healthcare professional for proper diagnosis and treatment.
References: [7] F Tüttelmann · 2018 · Cited by 261
Additional Symptoms
- Reduced testicular volume
- Decreased serum testosterone
- Increased LH (Luteinizing Hormone) levels
Diagnostic Tests
Diagnostic Tests for Spermatogenic Failure
Spermatogenic failure refers to a condition where the testes are unable to produce sperm, leading to infertility in men. Diagnostic tests play a crucial role in identifying the underlying causes of this condition. Here are some diagnostic tests used to diagnose spermatogenic failure:
- Testicular biopsy: This test involves removing samples from the testicle with a needle to examine the histological diagnosis of azoospermia and extract spermatozoa for assisted reproduction (1, 4, 9).
- Semen analysis: A semen analysis is one of the primary tests used to help diagnose male infertility. It measures various parameters such as sperm count, motility, morphology, and volume (3, 5).
- Hormonal assessment: Hormonal evaluation is essential in diagnosing spermatogenic failure. Tests such as FSH (Follicle-Stimulating Hormone) levels can help determine whether zero sperm count is due to a production or transport problem (10).
- Imaging studies: Imaging studies, such as ultrasound and MRI, may be used to evaluate the testicular structure and identify any abnormalities that could be contributing to spermatogenic failure (2).
These diagnostic tests help healthcare providers identify the underlying causes of spermatogenic failure, which can then inform treatment decisions.
References:
- Testicular biopsy is performed in order to determine the histological diagnosis of azoospermia and for the extraction of spermatozoa to be used in assisted reproduction.
- by DL Andrade · 2021 · Cited by 62 — It includes a detailed medical history and physical examination, semen analysis, hormonal assessment, genetic tests, and imaging studies.
- What tests will be done to diagnose male infertility? ... A semen analysis is one of the primary tests healthcare providers use to help diagnose male infertility.
- Testicular biopsy is performed in order to determine the histological diagnosis of azoospermia and for the extraction of spermatozoa to be used in assisted reproduction.
- by F Tüttelmann · 2018 · Cited by 261 — Diagnosing male infertility mostly relies on semen (and hormone) analysis, which results in classification into the two major phenotypes of oligo- and azoospermia.
- Male fertility tests include anti-sperm antibody, cervical mucus interaction, hamster egg penetration test, hormone evaluation, semen analysis, X-Y sperm ...
- If a semen test shows a very low number of sperm or no sperm, you may need a testicular biopsy. This test can be done with general or local anesthesia. A small ...
- Approaches using organ cultures and in vitro systems for spermatogenesis offer additional promise for the treatment of some forms of spermatogenic failure.
- Testicular biopsy is performed in order to determine the histological diagnosis of azoospermia and for the extraction of spermatozoa to be used in assisted reproduction.
- In a majority of men, physical exam of the testes and blood tests (FSH) can help diagnose whether zero sperm count is due to a production or a transport problem ...
Additional Diagnostic Tests
- Imaging studies
- Testicular biopsy
- Semen analysis
- Hormonal assessment
Treatment
Treatment Options for Spermatogenic Failure
Spermatogenic failure, also known as nonobstructive azoospermia, is a condition where the testes are unable to produce sperm. While there is no cure, various treatment options can help stimulate spermatogenesis and improve fertility.
- Gonadotropin Treatment: This involves administering injections of human chorionic gonadotropin (hCG) three times per week, with or without recombinant follicle-stimulating hormone (rhFSH). This treatment has been shown to be effective in stimulating spermatogenesis and improving sperm production [8].
- Gonadotropin-Releasing Hormone (GnRH) Therapy: GnRH therapy involves administering injections of GnRH agonists or antagonists to stimulate the pituitary gland, which in turn stimulates the testes to produce sperm. This treatment has been shown to be effective in inducing spermatogenesis and improving fertility [3].
- Pentoxifylline (PTX) Therapy: PTX is a methylxanthine that has been shown to improve sperm motility and morphology. It has been used in combination with other treatments, such as gonadotropin therapy, to improve fertility outcomes [7].
Important Considerations
Before undergoing any treatment for spermatogenic failure, it's essential to discuss the potential risks and benefits with a healthcare provider. Some medications can harm sperm production, so it's crucial to weigh the pros and cons of each treatment option.
References:
[8] Treatment with hCG with or without rhFSH is often called "gonadotropin treatment." It involves getting injections of h
Recommended Medications
- Gonadotropin Treatment
- Gonadotropin-Releasing Hormone (GnRH) Therapy
- Pentoxifylline (PTX) Therapy
💊 Drug information is sourced from ChEBI (Chemical Entities of Biological Interest) database. Always consult with a healthcare professional before starting any medication. Click on any medication name for detailed information.
Differential Diagnosis
Differential Diagnosis of Spermatogenic Failure
Spermatogenic failure, also known as non-obstructive azoospermia, is a condition where the testes are unable to produce sperm. The differential diagnosis for this condition involves identifying the underlying causes of spermatogenic failure.
- Hypogonadotropic hypogonadism: This is a condition where the pituitary gland does not produce enough hormones to stimulate the testes to produce sperm [6].
- Cryptorchidism: Also known as undescended testes, this is a condition where one or both testes do not descend into the scrotum during fetal development [6].
- Delayed puberty: This is a condition where puberty is delayed or does not occur at all, which can be caused by hormonal imbalances or genetic disorders [6].
- Male pseudohermaphroditism: This is a rare genetic disorder where an individual is born with both male and female reproductive organs [6].
In addition to these conditions, spermatogenic failure can also be caused by other factors such as:
- Testicular volume reduction: Men with reduced testicular volume may have evidence of spermatogenic failure on pathology [7].
- Increased LH levels: Elevated levels of luteinizing hormone (LH) can indicate spermatogenic failure [8].
It's essential to establish a differential diagnosis between obstructive azoospermia, hypogonadotropic hypogonadism, and spermatogenic failure to determine the underlying cause of infertility.
References: [6] LF Pisani · 2008 · Cited by 90 — [7] S Gamidov · 2024 · Cited by 1 — [8] by F Tüttelmann · 2018 · Cited by 11 —
Additional Differential Diagnoses
- Testicular volume reduction
- Male pseudohermaphroditism
- Increased LH levels
- hypogonadotropic hypogonadism
- cryptorchidism
- obsolete delayed puberty
Additional Information
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- https://w3id.org/def/predibionto#has_symptom_2041
- owl#annotatedSource
- t345316
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- oboInOwl#id
- DOID:0070169
- core#notation
- DOID:0070169
- oboInOwl#hasDbXref
- MIM:613957
- IAO_0000115
- A spermatogenic failure that is characterized by autosomal dominant inheritance of azoospermia or moderate to severe oligozoospermia that has_material_basis_in heterozygous mutation in the NR5A1 gene on chromosome 9q33.
- rdf-schema#label
- spermatogenic failure 8
- oboInOwl#hasExactSynonym
- SPGF8
- rdf-schema#subClassOf
- t345470
- IDO_0000664
- http://purl.obolibrary.org/obo/GENO_0000147
- 22-rdf-syntax-ns#type
- http://www.w3.org/2002/07/owl#Class
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It is not intended to be a substitute for professional medical advice, diagnosis, or treatment. Always seek the advice of your physician or other qualified healthcare provider with questions about your medical condition.