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  • The Internet Journal of Surgery
  • Volume 23
  • Number 2

Original Article

Fungating Breast Cancer, How Long We Are Going To See This Stage of The Disease. Case Report, and Literature Review.

A Mohamed, A Mohamed, M Afzal-Uddin, F Emran

Citation

A Mohamed, A Mohamed, M Afzal-Uddin, F Emran. Fungating Breast Cancer, How Long We Are Going To See This Stage of The Disease. Case Report, and Literature Review.. The Internet Journal of Surgery. 2009 Volume 23 Number 2.

Abstract
 

Introduction

Locally advanced breast cancer constitutes approximately 10%-20% of the newly diagnosed breast cancers and up 75% of breast cancers in developing countries. Fun gating breast cancer is considered as an entity of locally advanced breast cancer which remains a clinical challenge as the majority of patients with this diagnosis develop distant metastases despite appropriate therapy. We report a case of fungating breast cancer and review the literature with special reference to the management to this stage of the disease.

Case presentation

A 65 years old Eritrean lady, presented to the surgical outpatient department at KFMC, Riyadh because of a large fungating lump in her left breast. She stated that the lump started as small nodule which grow gradually in size and ulcerated through the skin over a period of one year. It was associated with significant loss of weight over the last 3 month. She had no family history of breast cancer and did not seek medical advice because she used to live in a remote area in Eritrea which was lacking in medical services. There was a striking foul smell when the patient entered the examination room. On clinical examination she looked emaciated, depressed and distracted. There was a fungating ulcerating lesion about 10 cm in diameter involving the lower inner quadrant and the central part of the left breast (figure 1&2).

Figure 1
Figure 1: A photograph taken just before surgery showing the fungating ulcerating mass involving the lower inner quadrant and the central part of the left breast

Figure 2
Figure 2: A photograph of the tumor showing elevated margins, multiples areas of necrosis and hemorrhage

There were neither clinically palpable axillary lymph nodes nor oedema of the left arm. The right breast was normal.

Blood investigation revealed Hb of 8.2 gram%. Urea & electrolytes, liver function test and coagulation screen within normal limits.

Mammogram of the right breast howed moderate fatty replacement of the glandular tissue with residual fibro glandular densities but there was no evidence of dominant masses, speculated lesions, clusters of suspicious, micro calcification or skin changes(figure 3).

Figure 3
Figure 3: The mammogram of the right breast (contra lateral breast) showing moderate fatty replacement of the glandular tissue and fibroglandular densities without evidence of malignancy

The pre-operative tissue biopsy showed invasive high grade ductal carcinoma with focal necrosis.

A contrasted CT scan of the chest, abdomen and pelvis showed a large fungating mass in the left breast with the largest anteroposterior and transverse diameter of 9.1 x 6.6 cm respectively. There was one lymph node seen in the left axilla measuring 1.7 x 1.2 cm. There were no liver or lung metastasis (Figure 4, 5 &6).

Figure 4
Figure 4: the CT scan showing a large fungating enhancing mass of the left breast (the arrow), with significant central necrosis.

Figure 5
Figure 5: The CT scan showing the elevated edges and the invagination of the centre of the tumor.

Figure 6
Figure 6: The chest CT scan showing enlarged left axillary lymph node(the arrow).

The bone scan showed no evidence of cortical bone metastasis. There was increased left breast soft tissue uptake consistent with breast carcinoma (figure 7).

Figure 7
Figure 7: The bone scan showing no evidence of cortical bone metastasis. There was increased left breast soft tissue uptake (the arrow), consistent with breast carcinoma

The patient was treated initially with metronidazole in the form of intravenous infusion and topical gel together with occlusive dressing to treat the infection and eliminate the foul smell. After screening for metastasis the patient underwent surgery in the form of radical mastectomy with removal of all involved skin, pectoralis muscles and axillary lymph nodes (Figure 8 & 9).

Figure 8
Figure 8: Intra-operative photograph after removing the breast and the involved pectoralis muscles. The forceps points to one of the ribs.

Figure 9
Figure 9: Photograph showing the closed wound and the drains at the end of the operation

The histopathology of the mastectomy specimen showed a mass of 12x10x4 cm in maximum dimension with fungating invasive intraductal carcinoma (Bloom Richardson grade 3). The nipple was free from tumor as well as resection margins. 13 out of 13 lymph nodes were also free from tumor. ER, PR was negative while HER 2 neu was weak positive (figure 10&11).

Figure 10
Figure 10: A histology slide of the mass stained by hematoxylin and eosin under microscopic power 10 magnification showing infiltrative ductal carcinoma.

Figure 11
Figure 11: A histology slide of the tumor stained by hematoxylin and eosin under microscopic power 40 magnification highlighting the high nuclear features, loss of ductal architecture and increased mitotic figures (grade 3)

Post-operatively she received 6 cycles of chemotherapy. After a year of follow up she started to complain of severe back pain. MRI of the spines showed heterogeneous abnormal uptake of contrast at the bone marrow of L1 vertebra which could represent possibility of metastatic deposits. The enhancement extending slightly anteriorly but there was no posterior extension and there was no evidence of cord compression( figure 12).

Figure 12
Figure 12: The MRI of the spines showing heterogeneous abnormal uptake of contrast at the bone marrow of L1(the arrow) vertebra which could represent possibility of metastatic deposits.

The patient was last seen in the outpatient clinic 3 month ago (2 years after the initial diagnosis).the follow up CT scan showed no evidence of metastasis in the chest, abdomen, and pelvis

Discussion

Breast cancer is the second leading cause of cancer deaths in women today (after lung cancer) and is the most common cancer among women, excluding nonmelanoma skin cancers. According to the American Cancer Society, about 1.3 million women will be diagnosed with breast cancer annualluy worldwide about 465,000 will die from the disease.

The national cancer institute defines a fungating skin lesion as a type of skin lesion that is marked by ulcerations and necrosis and that usually has a bad smell. This kind of lesion may occur in many types of cancer, including breast cancer, melanoma, and squamous cell carcinoma, and especially in advanced disease.

Fungating breast cancer is considered as one of the entities of locally advanced breast cancer which remains a clinical challenge as the majority of patients with this diagnosis develop distant metastases despite appropriate therapy(1).

Locally advanced breast cancer constitutes approximately 10%-20% of the newly diagnosed breast cancers (2) and up 75% of breast cancers in developing countries (3).

The true incidence of fungating breast cancer is difficult to estimate. There are numerous large prospective studies on patients with locally advanced breast cancer in the literature, however little is reported on ulcerative breast cancer (4).

Fungating breast cancer, being an entity of locally advance cancer, is presumably more common in developing countries than in developed countries. In developing countries lack of public education and awareness, together with lack of screening programs especially in poor and politically unstable countries, are associated with delayed presentation of the disease. Unfortunately many of these countries have no tumor registry and most of the data in cancer is collected from sporadic publications.

In searching the English literature for fungating breast cancer it was obvious that most of the studies including large number of patients are coming out from developing countries.

In one study coming from Nigeria Adesunkanmi AR et al in their investigation of the challenges, severity, outcome and factors influencing the outcome of the management of breast cancer in a Nigerian Teaching Hospital found that The tumor was fungating in 83 out of 212 patients they studied (39%) (5).Another study from India included 30 patients of fungating breast cancer (6).

Diagnosis of fungating breast cancer is straight forward. Tissue diagnosis should be obtained in all cases and all patients should be screened for metastasis and involvement of the other breast. Estimation of tumor markers helps in predicting patient prognosis.

Management of patient with fun gating breast cancer is difficult, disseminated cancer, physical deformity, foul odor, bleeding, and infection, as well as associated psychosocial factors, contributes to the complexity of caring for these patients(7).

The primary goals of the management of advanced breast cancer are to improve the length and quality of life. As the majority of patients with fungating breast cancer develop distant metastases despite appropriate therapy the disease may not be curable. Nevertheless, it is amenable to treatment, and this is an important distinction to make.

The main objective in treating patients with fungating breast cancer is to relieve the symptoms. Intolerable malodor emanating from ulcerated tumors is a serious problem in the management of advanced and recurrent breast cancer and probably the most distressing symptom for patients (8). It is caused by bacterial infection in devitalized tissue within the wound. The presence of a pervasive malodor can lead to embarrassment, disgust, depression and social isolation and may have a detrimental effect on sexual expression causing relationship problems (9, 10, 11&12).

Antibiotic therapy can be effective if it destroys the bacteria responsible for malodour (13, 14&15), the most common treatment being metronidazole. This may be given systemically, but side effects such as nausea, neuropathy and alcohol intolerance may affect patient acceptability (16). The topical use of metronidazole in a gel form was proved to improve the quality of life for patients with malodorous ulcerated tumors and facilitate intensive treatment of the underlying disease (17).

Intra-arterial drug delivery may be appropriate in carefully selected cases of locally advanced, fungating breast cancers. The infusion of chemotherapy into arteries that feed locally advanced tumors have theoretical appeal, since the tumor mass may be exposed to high drug concentrations with administration of reduced or conventional doses of chemotherapy.

Kumar A et al treated thirty cases of fungating breast cancer (stages III and IV) preoperatively by combination chemotherapy using cyclophosphamide (Endoxan), methotrexate, 5-fluorouracil, and prednisone. Mastectomy was performed after 2 cycles of preoperative chemotherapy followed by 6 more cycles postoperatively. They reported that of 30 patients, 25 (83.3%) were made operable and had better disease-free survival (6).

Many studies from Japan revealed promising result of intra-arterial infusion chemotherapy in management of locally advanced breast cancer (18, 19 & 20).

Bufill JA et al report a case of fungating breast cancer that was effectively palliated with intra-arterial administration of mitomycin, fluorouracil, cisplatin, and mitozantrone. The rapidity of the patient’s response using this approach supports the observations of other investigators. Experience in applying this technique to patients with breast cancer in the United States is limited and further study of intra-arterial chemotherapy in carefully selected patients with locally advanced and fungating breast cancers is warranted(21).

Stephens FO et al report treating a patient with a huge fungating breast carcinoma which was bleeding and foul-smelling with of intra-arterial infusion chemotherapy as basal treatment and subsequent definitive radiotherapy. Local tumor regression was achieved and there is no evidence of residual carcinoma in the breast or axdilla 12 months after treatment. he suggested that further investigation of this treatment seems worthwhile, since it may be effective not only in the management of large breast cancers but also in patients with less advanced disease who refuse mastectomy or wish to avoid it(22).

Surgery may be indicated for selected patients with locally advanced breast cancer, examples including patients who need mastectomies for fungating/painful breast lesions. As advanced carcinoma of the breast can make the last few months of life miserable, Surgery can greatly assist in the amelioration of appearance, smell, and discharge from the ulcer (23).

The extent of surgery depends on the extent of the disease and the aim of surgery is to clear the breast and the axilla from the disease. This usually achieved with a radical mastectomy.

Radiofrequency ablation for breast carcinoma is limited. Reports in the literature have focused on preoperative radiofrequency ablation followed by resection, as feasibility studies (24, 25).

Vansonnenberg et al reported palliative radiofrequency ablation of a case of fungating breast cancer failed to chemotherapy because of local discomfort, frequent bleeding, and oozing from the large, fungating tumor. Although this is a single case, and only palliation was achieved rather than cure, the patient's and family's satisfaction, the amelioration of symptoms and signs, and the lack of complications in this patient encourage further exploration of uses of radiofrequency for problematic breast cancers(26).

Summary

Locally advanced breast cancer constitutes approximately 10%-20% of the newly diagnosed breast cancers and up 75% of breast cancers in developing countries

Management of fungating breast cancer is difficult as the majority of patients with this stage of the disease develop distant metastases despite appropriate therapy. The only possible cure is to prevent it with increasing public awareness and education, especially in developing countries where, sadly, we still see this stage of the disease.

References

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Author Information

Abbas AR Mohamed, MBBS, FRCSI
Consultant General Surgeon, Department of Surgical Specialty King Fahad Medical City

Asim A.E. Mohamed, MBBS
Swedish board histopathology & cytology, Consultant histopathology, Department of pathology King Fahad Medical City

Mohamed Afzal-Uddin
Assistant Consultant General Surgery, Department of Surgical Specialty King Fahad Medical City

Fawaz Emran, MBBS, Arab Board
Assistant Consultant General Surgery, Department of Surgical Specialty King Fahad Medical City Riyadh KSA

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