Gigantomastia complicating pregnancy: a case report

The Immunohistochemical Profile of Mammary Tissue in Women With Macromastia and Its Potential Clinical Implications

Macromastia is an excessive, rapid, or slow growth of breast tissue in 1 or both breasts. While macromastia represents a benign lesion, it may cause breast, shoulder, back, and neck pain, poor posture, infections, and loss of nipple sensation. The pathogenesis of macromastia or hypertrophy of mammary tissue remains poorly understood. The purpose of this study is to investigate the immunohistochemical expression of several hormone receptors that may potentially influence the growth of breast tissue in women with macromastia. Immunohistochemical studies performed on representative sections of breast tissue from 63 patients diagnosed with macromastia included estrogen receptor, progesterone receptor, androgen receptor (AR), prolactin receptor, growth hormone receptor, and vascular endothelial growth factor. The expression of each stain was evaluated separately in the glandular epithelium and adipose tissue and calculated as an H-score. We observed that AR expression in breast glandular and adipose tissue in women with macromastia was significantly lower than benign, nonhypertrophic breast tissue of a control group. Although the analyses were controlled for the age, the fact the mean age and hormonal status differed between the patients and the controls could have affected the results. Additional large studies will be required to further verify this finding and increase the knowledge about the etiology of this condition and then guide pharmacological treatment of juvenile and/or idiopathic gigantomastia.

A Systematic Literature Review of the Clinical Presentation, Management, and Outcome of Gestational Gigantomastia in the 21st Century

BACKGROUND

Gestational gigantomastia (GG) is an uncommon pregnancy condition, and the underlying cause of GG has yet to be determined. Medical management and surgery are two treatment options for GG, and breast reduction or mastectomy with delayed reconstruction is the only available surgical option. We have conducted this systematic review to summarize and critically analyze all the GG data in the literature.

METHODS

The preferred reporting items for systematic reviews and meta-analysis (PRISMA) guidelines were adhered to in reporting this article. A systematic search was conducted in February 2022 for published case reports and case series on GG using the PubMed, MEDLINE, and Cochrane databases. The following keywords were used: macromastia, gestational gigantomastia, and gestational.

RESULTS

A total of 639 articles were searched, and only 66 case reports published between 1962 and 2022 were included. The mean patient's age at presentation was 28.79 years old. The majority of the patients were in their first trimester (n = 23, 47%). The main complaint was rapid bilateral breast enlargement (n = 54, 80.59%). Bromocriptine was the most common medical management used (n = 19/35, 54.28%). Bilateral breast reduction was the most common surgery (n = 24/48, 50%). Most patients had uneventful recovery (n = 40/54, 74.07%).

CONCLUSION

Gigantomastia is a difficult condition, in terms of its management. We have found that surgery is the gold-standard among all the cases reported; while Bromocriptine was the most commonly administered medical therapy. This systematic review provides a guideline for plastic surgeons to better facilitate their care of these patients.

LEVEL OF EVIDENCE III

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Gestational Gigantomastia Complicating Pregnancy: A Case Report and Review of the Literature

Background. Gestational gigantomastia is a rare disorder without clear etiology or well-established risk factors. Several pathogenic mechanisms contributing to the disease process have been proposed, all of which can lead to a similar phenotype of breast hypertrophy. Case. A 28-year-old Guinean woman presented at 37 weeks of gestation with bilateral gigantomastia, mastalgia, peau d'orange, and back pain. Prolactin levels were 103.3 μg/L (with a normal reference value for prolactin in pregnancy being 36–372 μg/L). The patient was treated with bromocriptine (2.5 mg twice daily), scheduled for a repeat cesarean, and referred to surgery for bilateral mammoplasty. Conclusion. Gestational gigantomastia is a rare disorder, characterized by enlargement and hypertrophy of breast tissue. Our patient presented with no endocrine or hematological abnormalities, adding to a review of the literature for differential diagnoses, workup, and management of cases of gestational gigantomastia with normal hormone levels.

Gigantomastia gestacional: relato de caso e revisão bibliográfica

A gigantomastia é uma condição clínica rara, pouco descrita na literatura. Apesar da etiologia desconhecida, tem sido associada às respostas aos hormônios gestacionais, com maior incidência em mulheres multíparas e caucasianas. Apresenta altas taxas de recorrência em gestações futuras. O quadro frequentemente está associado à dor incapacitante, a alterações posturais, a úlceras e à necrose cutânea, favorecendo o aparecimento de infecções. Os autores relatam um caso clínico ocorrido em quinta gestação, expondo a conduta da Equipe de Saúde da Família durante o acompanhamento pré-natal e a inibição da lactação com bromocriptina imediatamente após o parto e o preparo para mamoplastia redutora em segundo tempo.

Gestational gigantomastia with complete resolution in a Nigerian woman

Physiological enlargement of the breasts occurs at puberty and during pregnancy. It is known as gestational gigantomastia when enlargement in pregnancy becomes excessive, uncomfortable and embarrassing. Gestational gigantomastia may have far reaching effects for the mother and fetus. This rare condition is associated with considerable morbidity but may be associated with good fetal outcome. Our case was very interesting because it was managed conservatively and postpartum there was complete spontaneous resolution.

Gigantomastia and vulvar lactating adenoma in a patient with myasthenia during pregnancy

We report the association of gigantomastia during pregnancy and a lactating adenoma in ectopic breast tissue of the vulva in a context of myasthenia in a 27-year-old primigravid woman. We discuss the pathophysiologic condition and management of gigantomastia that involves ectopic breast tissue during pregnancy.