Male accessory gland infection

Male accessory gland infection (MAGI) is a condition with signs of inflammation involving one or more sites in the male genital tract. Diagnosis is made according to parameters defined by the World Health Organization, and it is particularly made in relation to infectious or inflammatory causes of male infertility.

Male accessory gland infection
Other namesMale accessory gland inflammation[1]
Prostate with seminal vesicles and seminal ducts, viewed from in front and above
SpecialtyUrology

Although it is usually caused by infection spreading from the urethra, non-infectious causes also exist.

Definition

MAGI includes infections (bacterial, viral, fungal etc.) involving one or more of the following male genital organs or tracts:[2]

Diagnosis

As infection has a negative impact on the secretory function of the accessory glands, findings that could indicate the presence of MAGI include:[3]

WHO criteria

MAGI can be diagnosed when there are two or more factors present that meet criteria defined by the World Health Organization (WHO):[1][4]

FactorsDescriptionFor positive diagnosis
AHistory of:

Physical signs:

 (i) Any one Factor A feature
    plus
(ii) one feature from either Factor B or Factor C
BProstatic fluid: (i) Either one of the Factor B features
    plus
(ii) one feature from either Factor A or Factor C
CSemen:
  • leukocytes ≥ 1x106/mL
  • semen culture with significant growth of pathogenic bacteria
  • abnormal semen appearance
  • increased semen viscosity (hyperviscosity)
  • increased pH
  • abnormal biochemistry of the seminal plasma
 Any two Factor C features

or

(i) any one Factor C feature
    plus
(ii) one feature from either Factor A or Factor B

Biomarkers

One study has proposed that elevated levels of soluble urokinase-type plasminogen activator receptor (SuPAR) in seminal plasma might be useful as a marker for MAGI.[5]

Causes

The main infectious agents are Enterobacteriaceae (such as Escherichia coli and Klebsiella), Neisseria gonorrhoeae, and Chlamydia trachomatis.[2]

One study has shown that men with MAGI who have lower serum levels of total testosterone tend to have a more complicated form of MAGI, such as involving more than one site, than those with normal levels.[6]

Complications

Potential complications include:[2][3][7]

  • obstruction of the epididymis
  • impairment of spermatogenesis
  • impairmentment of sperm function
  • induction of sperm auto-antibodies
  • dysfunctions of the male accessory glands

These complications can result in sexual dysfunction[7] and male subfertility.[4][8]

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References
  1. Rosita A Condorelli; Enzo Vicari; Aldo E Calogero; Sandro La Vignera (25 April 2014). "Male accessory gland inflammation prevalence in type 2 diabetic patients with symptoms possibly reflecting autonomic neuropathy". Asian Journal of Andrology. 16 (5): 761–766. doi:10.4103/1008-682X.125911. PMC 4215658. PMID 24799635.
  2. Walter K.H. Krause (April 2008). "Male accessory gland infection". Andrologia. 40 (2): 113–116. doi:10.1111/j.1439-0272.2007.00822.x. PMID 18336461.
  3. Marcelo Marconi; Adrian Pilatz; Florian Wagenlehner; Thorsten Diemer; Wolfgang Weidner (May–June 2009). "Impact of infection on the secretory capacity of the male accessory glands". International Brazilian Journal of Urology. 35 (3): 299–308. doi:10.1016/S0022-5347(09)60344-X. PMID 19538765.
  4. Sandro La Vignera; Enzo Vicari; Rosita A Condorelli; R D'Agata; Aldo E Calogero (November 2011). "Hypertrophic-congestive and fibro-sclerotic ultrasound variants of male accessory gland infection have different sperm output". Journal of Endocrinological Investigation. 34 (10): e330–e335. doi:10.1007/bf03346729. PMID 22234181.
  5. C. Autilio; R. Morelli; D. Milardi; G. Grande; R. Marana; A. Pontecorvi; C. Zuppi; S. Baroni (September 2015). "Soluble urokinase-type plasminogen activator receptor as a putative marker of male accessory gland inflammation". Andrology. 3 (6): 1054–61. doi:10.1111/andr.12084. PMID 26384478.
  6. R. A. Condorelli; A. E. Calogero; E. Vicari; V. Favilla; S. Cimino; G. I. Russo; G. Morgia; S. La Vignera (8 September 2014). "Male Accessory Gland Infection: Relevance of Serum Total Testosterone Levels". International Journal of Endocrinology. 2014 (915752): 915752. doi:10.1155/2014/915752. PMC 4172872. PMID 25276133.
  7. Sandro La Vignera; Rosita A Condorelli; Enzo Vicari; R D'Agata; Aldo E Calogero (May 2012). "High frequency of sexual dysfunction in patients with male accessory gland infections". Andrologia. 44 (Supplement s1): 438–446. doi:10.1111/j.1439-0272.2011.01202.x. PMID 21793867.
  8. Sandro La Vignera; Rosita A Condorelli; R D'Agata; Enzo Vicari; Aldo E Calogero (February 2012). "Semen alterations and flow-citometry evaluation in patients with male accessory gland infections". Journal of Endocrinological Investigation. 35 (2): 219–223. doi:10.3275/7924. PMID 21946047.
Classification
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