Reversibility of Bicalutamide PSMA PET-Positive Gynecomastia With Androgen Deprivation Therapy.

ABSTRACT: A 78-year-old man receiving bicalutamide for prostate cancer was referred for a PSMA PET/CT scan to evaluate his gradually rising prostate-specific antigen level. The PSMA PET/CT revealed gynecomastia with radiotracer uptake in bilateral breast parenchyma, a known but rarely reported effect of bicalutamide monotherapy. This scan also demonstrated metastatic progression of his disease in bone and lymph nodes, and he was started on leuprolide injections. Three months after a decrease in his testosterone level, the radiotracer uptake in his breast tissue had resolved, demonstrating that PSMA-avid bicalutamide-induced gynecomastia is reversible.

Is Breast Magnetic Resonance Imaging Superior to Sonography in Gynecomastia Evaluation and Surgery Planning.

BACKGROUND: Data on the value of magnetic resonance imaging (MRI) in the preoperative evaluation and surgery planning of gynecomastia are limited. The purpose of this study is to reveal MRI features and categories of gynecomastia and compare surgical outcomes following MRI and sonography as well as their diagnostic accuracy. METHODS: The area of the gland and the whole breast on the transverse plane via nipple of MRI were measured to calculate the ratio between them. Areola, mass and branch patterns were categorized to represent three different gynecomastia type on MRI. 183 patients were included, with 38 in MRI group and 145 in sonography group. Diagnostic accuracy was assessed by the level of agreement between preoperative imaging findings and intraoperative observations. Surgical data, patients' satisfaction and complications were compared between the two groups. RESULTS: MRI in 75 gynecomastic breasts demonstrated the average ratio of the gland to the whole breast was 10.6%±13.3%. The most common MRI categories were branch patterns (45.3%). The diagnostic concordance rate of MRI was higher than sonography (100% vs. 86.8%, p = 0.001). Among those junior surgeons, the length of surgery was reduced in MRI group (100 min vs. 115 min, p = 0.048). There was no difference in terms of patient's satisfaction and complication rate between MRI and sonography. CONCLUSION: MRI was superior to sonography in diagnostic accuracy to assess the tissue components of gynecomastia and provided informative guidance especially for junior surgeons. Surgical outcomes were comparable regardless of the use of MRI or sonography for evaluation. LEVEL OF EVIDENCE IV: IThis journal requires that authors assign a level of evidence to each article. For a full description of these Evidence-Based Medicine ratings, please refer to the Table of Contents or the online Instructions to Authors www.springer.com/00266 .

Case report on gynecomastia with ipsilateral recurrence of granulomatous lobular mastitis.

This study describes a rare case of male granulomatous lobular mastitis (GLM) with recurrence in different sites on the ipsilateral side. A 48-year-old male patient presented with no previous history of breast-related disease, and physical examination suggested a mass in the right breast. Ultrasonography revealed a cyst and infection in the right breast. No obvious abnormality was found in laboratory analysis, and a core needle biopsy revealed GLM. Incision and drainage were applied to the right lesion, and symptoms resolved within a few weeks. At 2 years following this initial presentation, the patient reported that the right breast mass reappeared in different locations after the consumption of alcohol. Relevant examination and a core needle biopsy again suggested GLM of the right breast. The patient declined hormone therapy and was subsequently lost to follow-up. After reviewing this case, the course of the disease in this patient, and the connection between gynecomastia and GLM, along with ipsilateral recurrence, are under investigation.

Gynecomastia with rare granulomatous lobular mastitis: a case report and literature review.

This study was performed to describe a rare case of granulomatous lobular mastitis (GLM) that was successfully treated with bromocriptine in a male patient with gynecomastia and hyperprolactinemia. A 20-year-old man presented with a 1-year history of breast enlargement and galactorrhea. Physical examination revealed bilateral breast enlargement, porous discharge, and a 3-cm left breast lump in the 10-o'clock quadrant. Magnetic resonance imaging of the brain showed a 1.2-mm pituitary tumor. Laboratory analysis revealed hyperprolactinemia with low serum testosterone and elevated prolactin and estradiol levels. The lump in the left breast was examined by ultrasonography and mammography, and a core needle biopsy revealed chronic inflammation. The patient's galactorrhea and breast lump disappeared after 3 months of treatment with bromocriptine at 2.5 mg once a day. His serum prolactin level also normalized. Following a review of this case, the patient was diagnosed with gynecomastia with hyperprolactinemia complicated by rare GLM. To the best of our knowledge, this is the first reported case of concurrent gynecomastia and GLM.

Radiological and pathological correlation of a rare case of primary breast follicular lymphoma in a male patient, presenting as gynaecomastia.

We present an exceptionally rare case of primary breast follicular lymphoma in a male patient, who presented to us with gynaecomastia for investigation. To our knowledge there have only been two other cases published in the literature to date. In Western Australia, there have been no cases in at least the past 10 years. This particular case highlights the importance of radiological and pathological correlation in making the diagnosis, particularly in the assessment of breast lumps in a male patient, where imaging and clinical findings alone could not make the diagnosis.

The prevalence of incidental finding of gynecomastia on thoracic computed tomography in the pediatric age group.

OBJECTIVES: This study aimed to determine the prevalence rate of gynecomastia, determine mean glandular breast tissue sizes, and evaluate whether there is any difference in the prevalence rate of gynecomastia according to age using three different reference values of glandular breast tissue size (≥5, ≥10, ≥20 mm) in the pediatric age group. METHODS: Glandular breast tissue sizes were measured retrospectively from thoracic computed tomography (CT) images taken for other reasons in 961 boys aged 1-18 years. RESULTS: When each breast was evaluated separately (1,922 breasts), gynecomastia was observed in 1,001 (52.1%), 719 (37.4%), and 216 (11.2%) breasts with ≥5, ≥10, and ≥20 mm considered as reference values, respectively. A significant difference was found in terms of gynecomastia (p<0.001) and mean glandular breast tissue size (p<0.001) with respect to age. CONCLUSIONS: New studies are currently needed to determine the glandular breast tissue size and the prevalence rate of gynecomastia in boys, and thoracic CT images can be used for this purpose.

Imaging in gynecomastia.

BACKGROUND: Gynecomastia (GM) is the benign proliferation of glandular tissue in the male breast. It is a common condition, which may occur physiologically and shows three age peaks during a male's lifespan: infancy, puberty, and senescence. An underlying pathology may be revealed in 45%-50% of adult men with GM, such as aggravating medications, systemic diseases, obesity, endocrinopathies, or malignancy. OBJECTIVE: To discuss the role of imaging in the evaluation of GM and its contribution to therapeutic decision-making. MATERIALS/METHODS: The current literature was reviewed through PubMed, Scopus, and CENTRAL electronic databases to identify the best available evidence concerning imaging modalities in patients with GM. RESULTS: Most male breast lesions can be diagnosed on clinical grounds; however, in certain cases, when physical examination is inconclusive, imaging may be helpful. DISCUSSION: The main purpose of evaluating a patient with GM is to establish the diagnosis and differentiate true GM from pseudogynecomastia, exclude breast cancer, and detect the possible cause. GM is seen in mammography as a subareolar opacity and three mammographic patterns of GM are described: nodular, dendritic, and diffuse, corresponding to florid GM of early onset, fibrous persistent GM, and GM due to exogenous estrogen administration, respectively. In ultrasound (US), florid GM is depicted as a disk-shaped, hypoechoic area underlying the areola, whereas echogenicity of the lesions increases as fibrosis develops. Data on the use of MRI in the evaluation of the male breast and GM are still limited. Imaging findings can be classified according to the BIRADS (breast imaging reporting and data system) based on their malignant potential. CONCLUSION: Both mammography and US are sensitive and specific to diagnose GM and distinguish it from breast cancer. When clinical findings are suggestive of malignancy or imaging findings are inconclusive, a histological confirmation should be sought.

Benign cyst of the male breast. An exceedingly rare entity that may pose a diagnostic dilemma. Management and literature review.

Cysts represent the most common cause of a breast mass in women. On the contrary, in men, the presence of a benign apocrine cyst is an exceedingly rare occurrence, with only a few cases reported in the literature. We describe herein a case of benign apocrine breast cyst without concurrent gynecomastia in a 41-year-old male. Diagnostic evaluation and management are discussed, along with a review of the literature. Given the extreme rarity of benign breast cysts in males, a thorough investigation is essential in male patients presenting with cystic breast lesions. Diagnostic breast imaging may be challenging. Surgical resection of the cyst should be considered in the presence of atypical imaging features to exclude underlying malignancy.

Gynecomastia: Ultrasound-Confirmed Classification Pertainent to Surgical Correction.

BACKGROUND: Gynecomastia is the most common form of breast alteration in men, due to proliferation of the gland ducts and stromal components, including fat. In addition to the most obvious indications (weight loss, pharmacotherapy, and drugs suspension), the surgical treatment is needed for long-standing gynecomastia, combining liposuction, adenectomy, partial mammary adenectomy, periareolar skin resection, and round-block suture. MATERIALS AND METHODS: A retrospective study was conducted on 148 patients undergoing gynecomastia correction from May 2012 to April 2018. Follow-up ranged from 9 to 14 months. The authors propose a new ultrasound-confirmed classification system, dividing patients into six categories. The authors analyzed immediate complications, revision, recurrence, and minor aesthetic problems (retracted/depressed areas) and introduced a way to correct the irregularities with fat grafting and needles. RESULTS: The total complication rate was 11.5% (17/148). Most of the complications (11) were observed in patients who underwent glandular resection and 3 after liposuction only. Retrospective surveys about patients' and surgeons' satisfaction were performed, showing excellent feedbacks regarding the results accomplished. CONCLUSIONS: The simple classification helps surgeons choose the most suitable approach, avoiding insufficient or invasive treatments and undesirable scars. Moreover, the analysis of the type of sequelae and their correction allow high patients' satisfaction. LEVEL OF EVIDENCE IV: This journal requires that authors assign a level of evidence to each article. For a full description of these Evidence-Based Medicine ratings, please refer to the Table of Contents or the online Instructions to Authors www.springer.com/00266 .

Expected Reduction of The Nipple-Areolar Complex Over Time After Treatment of Gynecomastia with Ultrasound-Assisted Liposuction Mastectomy Compared to Subcutaneous Mastectomy Alone.

BACKGROUND: The enlarged nipple-areola-complex (NAC) is a characterizing aspect of gynecomastia. OBJECTIVE: The purpose of this study was to multidimensionally quantify the reduction of the NAC after a subcutaneous mastectomy (SCM) with or without ultrasound-assisted liposuction (UAL). MATERIALS AND METHODS: A retrospective assessment of patients who underwent SCM +/- UAL due to gynecomastia over a period of 11 years was conducted. The NAC diameters were measured before and after surgery. In addition, a survey (including the BREAST-Q) regarding patient-oriented outcome was performed. RESULTS: The study cohort consisted of 55 men and resulting 105 NACs (SCM n=63, SCM+UAL n=42). It could be shown that the reduction of the NAC considering all parameters (horizontal and vertical diameter and the area) was significantly larger (p=<0.001) in the SCM+UAL compared to the SCM only cohort. The mean reduction of the area in the SCM cohort was 1.60cm2 (SD 1.48) or 23.37% (SD 9.78) after 5.82 years and in the SCM+UAL cohort 2.60cm2 (SD 1.60) or 35.85% (SD 6,86) after 7.43 years. As independent significant factors for reduction of the NAC, the resection weight and SCM+UAL combination were identified. There were no significant differences regarding the patients' satisfaction measured with the BODY-Q (p=0.222) and the ordinal scale (p=0.445) between the two cohorts. CONCLUSIONS: The SCM with UAL showed a larger reduction over time of the NAC compared to the SCM independent from the stage of gynecomastia. When planning the surgical treatment of gynecomastia, a technique and resection weight dependent reduction of the NAC over time must be considered. LEVEL OF EVIDENCE IV: This journal requires that authors assign a level of evidence to each article. For a full description of these Evidence-Based Medicine ratings, please refer to the Table of Contents or the online Instructions to Authors www.springer.com/00266 .

Ginecomastia bilateral secundaria a plasmocitoma extramedular / Bilateral gynecomastia secundary to extramedular plasmocytoma

No disponible

Incidental Gynecomastia on Thoracic Computed Tomography in Clinical Practice: Characteristics, Radiologic Features, and Correlation With Possible Causes in South Korean Men.

Gynecomastia is a common incidental finding on thoracic computed tomography (CT). This study aimed to retrospectively determine the prevalence, imaging characteristics, and possible causes of incidental gynecomastia on thoracic CT. Records of male patients who underwent thoracic CT in 2015 were reviewed. The size and morphologic types (nodular, dendritic, and diffuse) were recorded for patients with breast glandular tissue larger than 1 cm, and the cutoff value of gynecomastia was defined as 2 cm. Additionally, the possible causes of gynecomastia obtained by reviewing patients' charts were recorded. CT-depicted gynecomastia was identified in 12.7% (650 of 5,501) of patients. The median size of the breast glandular tissue was 2.5 cm (interquartile range 2.2-3.1), and 36.8% of patients (239 of 650) had unilateral gynecomastia. The age distribution provided a bimodal pattern with two peaks in the age groups from 20 to 29 years old and greater than 70 years old. Chronic liver disease (CLD; p < .001), all stages of chronic kidney disease (CKD; p < .001), and medications (p = .002) were significantly associated with gynecomastia. Gynecomastia did not correlate with body mass index (p = .962). The size of breast glandular tissue was identified to be correlated with the morphologic type of breast tissue and the severity of CLD or CKD. The prevalence of incidental gynecomastia seen on thoracic CT was 12.7%. CT-depicted gynecomastia is not associated with obesity but with CLD, CKD, and medications. When gynecomastia is detected on CT, further evaluations and management might be required for patients with a treatable cause.

Male patients with unilateral breast symptoms: an optimal imaging approach.

OBJECTIVES: To evaluate the usefulness of bilateral mammography in male patients with unilateral breast symptoms, including investigation of the diagnostic performance of unilateral and bilateral reviews and the average glandular dose (AGD) per exposure. METHODS: Two hundred seventy-one consecutive male patients (mean age, 57 years) with unilateral breast symptoms underwent bilateral mammography. Image interpretation was performed in two ways, first with a unilateral review of the symptomatic breast and then with a bilateral review. A modified BI-RADS scale (from 1 to 5) was used. The diagnostic performance of unilateral and bilateral reviews was compared, and contralateral breast abnormalities and the AGD per exposure were recorded. We also analyzed ultrasound (US) results and compared them with mammography. RESULTS: Of 271 male patients, 29 were pathologically diagnosed with breast cancer. There was no bilateral breast cancer. The sensitivity, specificity, positive and negative predictive values, and accuracy were 96.6%, 96.7%, 77.8%, 99.6%, and 96.7%, respectively, for unilateral review, and 96.6%, 95.9%, 73.7%, 99.6%, and 95.9% for bilateral review. Receiver operator characteristic analysis showed excellent diagnostic performance for both methods: the area under the curve (AUC) was 0.966 for unilateral review and 0.962 for bilateral review (p = 0.415). The mean AGD per exposure was 1.10 ± 0.29 mGy for symptomatic breast and 1.04 ± 0.30 mGy for contralateral breast (p < 0.001). Diagnostic performance parameters of US were not significantly different from bilateral or unilateral review of mammography. CONCLUSION: The diagnostic performance of unilateral mammography is comparable with bilateral mammography in male patients with unilateral breast symptoms. Unilateral mammography also has the advantage of reducing radiation exposure. KEY POINTS: • There is limited knowledge about standardized guidelines or recommendations for imaging the male breast. • Unilateral mammography for male patients with unilateral breast symptoms showed comparable diagnostic performance with bilateral mammography. • Both unilateral and bilateral mammography showed excellent diagnostic performance in the assessment of male patients with unilateral breast symptoms.

Atypical gynecomastia mimicking breast malignancy on mammography, sonography, and 18F-fluciclovine PET/CT in the setting of biochemical recurrence of prostate cancer.

A 60-year-old man with metastatic prostate cancer presented with breast swelling for one year. Suspicious breast masses were identified in both breasts with mammography and ultrasound. Biopsy of both masses showed florid gynecomastia without malignancy. Sixteen months later, the patient underwent 18F-fluciclovine PET/CT for biochemical recurrence of prostate cancer; this showed focal radiotracer uptake in both breasts. Repeat mammogram and ultrasound showed these areas to correspond with the previously biopsied masses, which were stable. To our knowledge, this is the first reported case of gynecomastia mimicking malignancy on 18F-fluciclovine PET/CT.