Summary table study guide for male genital pathology/disease. Includes organ affected, pathology type, condition, pathogenesis, and impact of each pathology.
Male Genital Pathology Summary 🦠
Organs Pathology Type Condition Description + Pathogenesis Impact/Systemic Change
Scrotum Inflammatory Dermatitis- Related Thermoregulatory Failures - inability to Affects sperm viability and
maintain optimal temperature due to function → Potential reduction in
environmental factors, or scrotal disease fertility
Testicular degeneration
Testicular degeneration
(eg. Chorioptic mange in rams, frostbite,
trauma)
Scrotal Neoplasia Rare in dogs Primarily local
Common types: mast cell tumors + If hemangiosarcoma malignant →
hemangiosarcoma systemic spread
Papilloma common in boars
Tunica Inflammatory Periorchitis Inflammation around the testis Local discomfort
Vaginalis
Possibly linked to diseases such as FIP (feline Scrotal swelling
infectious peritonitis) or Glasser’s disease
Systemic signs depend on primary
infection
Non-inflammatory Hydrocoele Fluid accumulation in TV Localized discomfort and swelling
Associated with ascites → scrotal swelling May lead to complications if
untreated.
, Testis + Developmental Cryptorchidism Failure of testis to descend - often unilateral- Retained testis at increased risk of
Epididymis Anomaly due to polygenic and autosomal recessive tumor formation + torsion (esp.
genetic factors. dogs)
Retained between kidney and inguinal canal: Reduced fertility due to heat
- Abdominal exposure
- Transinguinal
- Inguinoscrotal
Small testis Developmental Testicular Hypoplasia Congenital or pre-puberty underdevelopment Reduced fertility
Anomaly - affected by factors such as zinc deficiency,
genetic abnormalities. Local impact on testis size and
consistency
Usually not detected post-puberty
Small testis Degenerative Testicular Atrophy Most common cause of male infertility Decreased fertility due to
degeneration of seminiferous
Cause by - aging, scrotal temperature tubules
increase, blood supply reduction, drug
reactions. May cause systemic hormonal
imbalance if atrophy is due to
endocrine abnormalities.
Inflammatory Orchitis True orchitis is rare May lead to infertility and
systemic illness if infection
Often 2ndary to trauma or ascending spreads or severe inflammation
bacterial infections persists.
(eg. Brucella Canis, E. Coli)
Inflammatory Epididymitis Inflammation of epididymis especially in rams Local impact with potential
and dogs infertility
Often due to Brucella, coliforms, staph, or Chronic cases can lead to
strep testicular atrophy.
Can cause abscess or spermatic granuloma
formation.
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