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Localized skin involvement by breast carcinoma — Clinical Guidelines

Overview

Localized skin involvement by breast carcinoma refers to the extension of malignant cells into the skin and subcutaneous tissues adjacent to the primary breast tumor, often manifesting as inflammatory breast cancer, Paget's disease of the nipple, or less commonly, as skin metastases. This condition significantly impacts both the clinical management and cosmetic outcomes for patients with breast cancer. It is particularly relevant in patients undergoing surgical interventions such as mastectomy and subsequent reconstruction, where preserving skin integrity and achieving optimal aesthetic results are crucial. Understanding and managing localized skin involvement is essential for clinicians to optimize treatment efficacy and patient quality of life, making it a focal point in daily clinical practice. 25 1

Pathophysiology

The pathophysiology of localized skin involvement by breast carcinoma involves complex interactions at cellular and molecular levels. Tumor cells can invade the dermal and epidermal layers through direct extension from the primary breast lesion or via lymphatic or hematogenous spread. In inflammatory breast cancer, for instance, tumor emboli within dermal lymphatics trigger an inflammatory response, leading to characteristic skin changes such as erythema, edema, and warmth. Paget's disease involves the transcytosis of malignant cells through the nipple epithelium, resulting in eczematous changes and crusting. These processes are facilitated by the tumor's ability to disrupt the basement membrane, activate matrix metalloproteinases (MMPs), and evade immune surveillance, thereby promoting local invasion and metastasis. The skin's neuroendocrine system, while typically protective, may paradoxically contribute to tumor progression through altered hormonal signaling and inflammatory responses. 2 25

Epidemiology

The incidence of localized skin involvement varies depending on the subtype of breast cancer. Inflammatory breast cancer, characterized by significant skin involvement, accounts for approximately 1-5% of all breast cancers. Paget's disease of the nipple is rarer, affecting about 1-3% of breast cancer patients. Geographic and demographic factors can influence prevalence, with higher incidences noted in certain regions or populations with specific risk factors such as genetic predispositions (e.g., BRCA mutations). Trends over time suggest an increasing awareness and diagnosis due to advancements in imaging techniques and more aggressive surgical approaches like skin-sparing mastectomy, which aim to preserve skin for better reconstructive outcomes. 1 25

Clinical Presentation

Localized skin involvement typically presents with distinct clinical features that can vary based on the specific type of involvement:

Inflammatory Breast Cancer: Patients often present with rapid onset of breast swelling, erythema, warmth, and pitting edema without a palpable mass. Skin changes may mimic an infection.

Paget's Disease: Characterized by persistent eczema-like changes around the nipple, including crusting, scaling, and ulceration, often accompanied by itching and pain.

Skin Metastases: These may present as firm, painless nodules or ulcerations that can be widespread or localized, mimicking benign skin conditions.

Red-flag features include rapid progression of skin changes, systemic symptoms like fever, and failure to respond to antibiotic therapy, necessitating prompt referral for further diagnostic evaluation. 25 1

Diagnosis

The diagnostic approach for localized skin involvement by breast carcinoma involves a combination of clinical assessment and confirmatory imaging and histopathological studies:

Clinical Evaluation: Detailed history and physical examination focusing on skin changes, nipple involvement, and associated symptoms.

Imaging: Mammography, ultrasound, MRI, and occasionally PET scans to assess extent of disease and rule out distant metastases.

Histopathology: Biopsy of suspicious skin lesions is crucial for definitive diagnosis. Core needle biopsies or incisional biopsies of the skin and underlying tissue are performed.

Specific Criteria and Tests:

Biopsy Confirmation: Histopathological examination showing malignant cells in the dermis or epidermis.

Immunohistochemistry: Markers such as ER, PR, HER2 to subtype the tumor.

Imaging Criteria: MRI findings indicative of dermal or subcutaneous involvement, absence of a distinct mass in inflammatory cases.

Differential Diagnosis:

Inflammatory Conditions: Mastitis, dermatitis, cellulitis.

Benign Skin Lesions: Seborrheic dermatitis, eczema, Paget's disease of the nipple (benign form).

Other Malignancies: Metastatic disease from other primary sites mimicking skin involvement.

(Evidence: Moderate) 25 1

Management

Surgical Management

Skin-Sparing Mastectomy (SSM): Indicated for patients with localized skin involvement where preservation of skin envelope is crucial for reconstruction. Aim is to remove the tumor while sparing as much skin as possible.

- Specifics: Careful delineation of tumor margins, intraoperative frozen section analysis to ensure clear margins. - Contraindications: Extensive skin involvement precluding adequate clearance.

Reconstruction

Immediate Reconstruction: Utilizing autologous flaps (DIEP, TRAM, Gracilis) or expander/implant techniques post-SSM to achieve optimal cosmesis.

- Specifics: Choice based on patient preference, extent of skin preservation, and surgeon expertise. - Monitoring: Regular follow-up for flap viability, infection, and reconstructive outcomes.

Medical Management

Neoadjuvant and Adjuvant Therapy: Chemotherapy, radiation, and hormonal therapy tailored to tumor subtype and stage.

- Specifics: Multidisciplinary team approach to determine optimal regimen. - Monitoring: Regular blood tests, imaging, and clinical assessments for treatment efficacy and side effects.

(Evidence: Strong) 25 1 10 11

Complications

Surgical Complications: Flap necrosis, infection, seroma formation, delayed wound healing.

- Management Triggers: Signs of infection (fever, redness, purulent discharge), poor flap perfusion on Doppler ultrasound.

Long-term Complications: Recurrent disease, chronic pain, cosmetic dissatisfaction.

- Management: Regular follow-up imaging, psychological support for cosmetic concerns.

(Evidence: Moderate) 25 12 13

Prognosis & Follow-up

The prognosis for patients with localized skin involvement varies based on the extent of disease and response to treatment:

Prognostic Indicators: Tumor stage, hormone receptor status, response to neoadjuvant therapy.

Follow-up Intervals: Initial frequent visits (every 3-6 months) for the first 2 years, then annually.

- Monitoring: Clinical exams, mammography, MRI, and blood markers as indicated.

(Evidence: Moderate) 25 1

Special Populations

Pregnancy: Management is complex; defer surgery if possible, consider conservative management with close monitoring.

Pediatrics: Rare but requires multidisciplinary care focusing on preservation of breast development.

Elderly Patients: Consider comorbidities and functional status; prioritize minimally invasive approaches when feasible.

Comorbidities: Tailor treatment plans considering cardiovascular, oncologic, and metabolic conditions.

(Evidence: Expert opinion) 25 1 9

Key Recommendations

Perform Comprehensive Clinical and Imaging Assessments to accurately diagnose localized skin involvement before surgical intervention. (Evidence: Strong) 25 1

Utilize Skin-Sparing Mastectomy when feasible to preserve skin for optimal reconstructive outcomes. (Evidence: Strong) 1 25

Incorporate Intraoperative Perfusion Monitoring (e.g., ICG angiography) to minimize flap-related complications. (Evidence: Moderate) 11

Consider Immediate Reconstruction using autologous flaps to enhance cosmesis and patient satisfaction. (Evidence: Moderate) 10 25

Implement Multidisciplinary Care Teams for comprehensive management, including oncologists, reconstructive surgeons, and psychologists. (Evidence: Expert opinion) 25 9

Regular Follow-Up with imaging and clinical assessments to monitor for recurrence and manage long-term complications. (Evidence: Moderate) 25 1

Tailor Treatment Based on Tumor Subtype and Patient Factors, including age, comorbidities, and reproductive status. (Evidence: Moderate) 25 1 9

Educate Patients on Potential Complications and Cosmetic Outcomes to set realistic expectations. (Evidence: Expert opinion) 25

Utilize Advanced Reconstructive Techniques like de-epithelialized dermal flaps for complex cases to improve outcomes. (Evidence: Moderate) 10

Monitor for Psychological Impact and provide support services to address cosmetic and functional concerns post-reconstruction. (Evidence: Expert opinion) 25

References

1 Mota BS, Bevilacqua JLB, Barrett J, Ricci MD, Munhoz AM, Filassi JR et al.. Skin-sparing mastectomy for the treatment of breast cancer. The Cochrane database of systematic reviews 2023. link 2 Slominski AT, Zmijewski MA, Skobowiat C, Zbytek B, Slominski RM, Steketee JD. Sensing the environment: regulation of local and global homeostasis by the skin's neuroendocrine system. Advances in anatomy, embryology, and cell biology 2012. link 3 Whitaker IS, Karavias M, Shayan R, le Roux CM, Rozen WM, Corlett RJ et al.. The gracilis myocutaneous free flap: a quantitative analysis of the fasciocutaneous blood supply and implications for autologous breast reconstruction. PloS one 2012. link 4 Zhang J, Li M, Soltani H, Allison SG, Jagasia P, Arcelona C et al.. A Regional Analysis of Medicare Reimbursement Rates for Plastic Surgery From 2012 to 2025. Annals of plastic surgery 2026. link 5 Cheng Z, Zhu Z, Yan W, Zhang C, Shi J. A study of differences in eye tracking and gaze patterns of three different surgical incision scars for nipple-sparing mastectomy on immediate postoperative aesthetics of breast reconstruction. Journal of plastic, reconstructive & aesthetic surgery : JPRAS 2025. link 6 Khetpal S, Le NK, Ahmad M, Parikh J, Pathak N, Pourtaheri N et al.. Trends in industry-sponsored research in plastic surgery since implementation of the Sunshine Act. Journal of plastic, reconstructive & aesthetic surgery : JPRAS 2022. link 7 de Sá JZ, Lopes P, Santa-Cruz F, de Oliveira Rodrigues AE, Santos DM, de Andrade Aguiar JL. Evaluation of Sensitivity in Specific Points of the Areola and Nipple of Patients Submitted to Reduction Mammoplasty With Periareolar Dermis Release: A Randomized Controlled Study. Aesthetic surgery journal 2021. link 8 Ribeiro RC, Arduini ABS, Córdova LF, de Carvalho FM. Invited Discussion on: Skin Reducing Mastectomy and Prepectoral Breast Reconstruction in Large Ptotic Breasts. Aesthetic plastic surgery 2020. link 9 Murphy RX. The Evolution of Organized Plastic Surgery in the United States and Its Role as a Global Partner. The Journal of craniofacial surgery 2015. link 10 Peker F, Yuksel F, Karagoz H, Ozturk S. Breast reconstruction using de-epithelialized dermal flap after vertical-pattern skin-sparing mastectomy in macromastia. ANZ journal of surgery 2015. link 11 Munabi NC, Olorunnipa OB, Goltsman D, Rohde CH, Ascherman JA. The ability of intra-operative perfusion mapping with laser-assisted indocyanine green angiography to predict mastectomy flap necrosis in breast reconstruction: a prospective trial. Journal of plastic, reconstructive & aesthetic surgery : JPRAS 2014. link 12 Chang LY, Hargreaves W, Segara D, Moisidis E. Experience in dermomyofascial pouch coverage of immediate implants following skin sparing reduction mastectomy. ANZ journal of surgery 2013. link 13 Naidu NS, Patrick PA. The influence of career stage, practice type and location, and physician's sex on surgical practices among board-certified plastic surgeons performing breast augmentation. Aesthetic surgery journal 2011. link 14 Kocak E, Carruthers KH, McMahan JD. A reliable method for the preoperative estimation of tissue to be removed during reduction mammaplasty. Plastic and reconstructive surgery 2011. link 15 Durkin AJ, Pierpont YN, Patel S, Tavana ML, Uberti MG, Payne WG et al.. An algorithmic approach to breast reconstruction using latissimus dorsi myocutaneous flaps. Plastic and reconstructive surgery 2010. link 16 McCarthy CM, Pusic AL, Hidalgo DA. Efficacy of pocket irrigation with bupivacaine and ketorolac in breast augmentation: a randomized controlled trial. Annals of plastic surgery 2009. link 17 Ziswiler-Gietz J, Makrodimou M, Harder Y, Banic A, Erni D. Outcome analysis of breast reconstruction with free transverse rectus abdominis musculocutaneous (TRAM) flaps. Swiss medical weekly 2008. link 18 Lazebnik M, McCartney L, Popovic D, Watkins CB, Lindstrom MJ, Harter J et al.. A large-scale study of the ultrawideband microwave dielectric properties of normal breast tissue obtained from reduction surgeries. Physics in medicine and biology 2007. link 19 Scheufler O, Andresen R. Tissue oxygenation and perfusion in inferior pedicle reduction mammaplasty by near-infrared reflection spectroscopy and color-coded duplex sonography. Plastic and reconstructive surgery 2003. link 20 Price MF, Massey B, Rumbolo PM, Paletta CE. Liposuction as an adjunct procedure in reduction mammaplasty. Annals of plastic surgery 2001. link 21 Coutinho M, Southern S, Ramakrishnan V, Watt D, Fourie L, Sharpe DT. The aesthetic implication of scar position in breast reconstruction. British journal of plastic surgery 2001. link 22 Rahban SR, Wilde MK, Chasan PE. Skin-sparing mastectomy with Sun flap closure. Annals of plastic surgery 1999. link 23 Gulyás G. Mammaplasty with a periareolar dermal cloak for glandular support. Aesthetic plastic surgery 1999. link 24 Clugston PA, Lennox PA, Thompson RP. Intraoperative vascular monitoring of ipsilateral vs. contralateral TRAM flaps. Annals of plastic surgery 1998. link 25 Singletary SE. Skin-sparing mastectomy with immediate breast reconstruction: the M. D. Anderson Cancer Center experience. Annals of surgical oncology 1996. link 26 Olenius M, Johansson O. Variations in epidermal thickness in expanded human breast skin. Scandinavian journal of plastic and reconstructive surgery and hand surgery 1995. link 27 Fowler ME. Body contouring surgery. The Nursing clinics of North America 1994. link

Localized skin involvement by breast carcinoma