Gynecomastia

PGE2 can cause it by elevating aromatase

Causes of high blood pressure akso related to gyno [1]

Compilation [2].

Bacteria

Related to estrogen and prolactin. Also to meningitis from mycobacterium along with hypogonadism [3]

Mycobacterium tuberculosis of the chest wall [4].

Sternum injury especially with m tuberculosis causes gynecomastia [5].

Estrogen elevated by m tuberculosis [6].

Pasteurella [7]

Tubercular mastitis

Corynebacterium [8] [9]

Tumor

Leydig cell tumor causes increased testosterone [10] or estrogen [11]

Pituitary lesion [12] GH [13]

HCG from testicular tumor [14]

Can be a combination of hydrocele that produces some extra estrogen and a liver that can't break down it fast enough. High testosterone might also be a sign [15]

Virus

Adenovirus [16]

Homocysteine

Newborn gynecomastia likely from elevated homocysteine from low diamine oxidase in the mother from low folic acid [17]

Also gyno is noticed in puberty where boys experience huge increases of dopamine receptors [18]. Homocysteine interacts and blocks dopamine receptors which may cause the gyno.

And yes gyno is caused by prolactin over production due to dopamine receptor blockade [19]. Of course this is due to homocysteine in most cases.

Pernicious anemia

Cobalamin deficiency linked to gyno [20]

Kidney

[21]

Liver

Cirrhosis may cause one sided button like lump under nipple [22]. Cirrhosis is linked to low phosphorus [23]

phosphorus

High estrogen causes low phosphorus

Hyperparathyroid

May be a connection [24] [25]

Case study with gyno, hyperparathyroid, high blood pressure [26]

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