Lymphangiosarcoma of the arm presenting with lymphedema in a woman 16 years after mastectomy: a case report
© licensee BioMed Central Ltd. 2009
Received: 9 June 2009
Accepted: 12 August 2009
Published: 1 September 2009
Lymphangiosarcoma following breast cancer is a relatively rare entity, with around 300 cases so far reported worldwide. Affecting the long term survivors of breast cancer, lymphangiosarcoma (Stewart-Traves Syndrome) has a high mortality rate. Since lympedema following radical mastectomy or axillary clearance and radiotherapy seems to be the main predisposing factor, further research regarding modifications in the surgical technique of axillary nodes dissection as well as the development of new chemotherapeutic agents effective in lymphangiosarcoma are required.
Lymphangiosarcoma following breast cancer is a rare entity. Around 300 cases have been reported worldwide since Stewart-Traves syndrome characterized by angio sarcoma of skin and soft tissue of the area after Radical Mastectomy, Radiation and Lymphedema . Its incidence in white American women is estimated to be 1.6 per 100,000 with only 25% of these sarcomas originating in the upper limb . Lymphangiosarcoma is characterized by skin changes in the form of purple colored raised cutaneous lesions progressing to ulceration in a lymphedematous arm within a median of ten years following mastectomy . Lymphangiosarcoma has a poor prognosis [4, 5], with a 5 year survival of <5% with multimodality treatment. Wide surgical resection is the treatment of choice [4, 6]. Several hypotheses have been postulated about its pathogenic mechanism. Lymphatic blockage, resulting in stimuli for growth factors and cytokines with a consequent proliferation of vessels and lymphatics is one hypothesis that explains the proliferation of lymphatic vessels in the affected edematous tissue . The role of radiotherapy in the development of lymphangiosarcoma is questionable because most post radiation chest wall sarcomas are not lymphangiosarcomas . Review of literature suggests that mastectomy resulting in Breast Cancer Related Lymphedema (BCRL) is the main predisposing factor . Other factors such as cardiovascular diseases and hypertension have also been described in relation to lymphangiosarcoma.
A 74-year-old lady with a history of hypertension and known case of breast cancer presented to our clinic with a swelling of the left proximal arm for the past three years. Patient was of Punjabi by ethnicity and was a Pakistani national.
Currently there are 2 million breast cancer survivors in the United States alone and 20% of them suffer from Breast Cancer Related Lymphedema . Advances in diagnostic aids, discoveries of newer chemotherapeutic agents and achievements of excellence in the field of surgery has offered substantial improvement in long term survival. This, however over the last 7 decades has been coupled with increasing number of complications as reported in literature . BCRL leading to lymphangiosarcoma is one such rare complication. With an incidence of 10% it is estimated that United States alone will have 200,000 new cases of BCRL diagnosed every year [11, 12]. Numerous studies have implicated lack of awareness (both on the part of the surgeon/physician and patient) in the ever increasing numbers of breast cancer survivors being diagnosed with BCRL [10, 11, 13]. Lack of consensus on the diagnostic criteria also seems to be one factor affecting an early diagnosis of this entity . Although in majority of the cases reported so far postmastectomy, complete axillary node dissection and radiotherapy seem to be the risk factors for developing BCRL progressing to lymphangiosarcoma, there have also been reports of idiopathic lymphedema related to lymphangiosarcoma as well [4, 14].
Strategies to decrease chronic lymphedema include manual and sequential pneumatic lymphatic compression [15, 16], periodic examination , modification of the surgical technique , manual lymph drainage, compression garments, prescribed exercises and ultrasound therapy. More recently, use of Coumarin, intra-arterial injections of autologous lymphocytes, liposuction, Selenium, and laser treatment are also reported . Advocated management of lymphangiosarcoma includes early diagnosis and radical surgical resection [6, 8]. However, other promising options that need to be explored further, include radio-immunotherapy (54 Gy/Interferon beta) , doxorubicin which has shown promising results both in animal models and humans , isolated limb perfusion (ILP) tumor necrosis factor (TNF) and melphalan. Early diagnosis and conservative surgery of breast and axilla, has offered remarkable reduction incidence of lymphedema. Total preservation of axillary lymphatic with advent and extension of sentinel node biopsy, would further reduce this complication.
Stewart-Traves syndrome is a rare entity with poor response to chemo therapy. Awareness about the pathology and its preceding sign & symptoms among both physicians and breast cancer survivors will ensure regular long term follow up resulting in an early diagnosis. Since lympedema following radical mastectomy or axillary clearance and radiotherapy seems to be the main predisposing factor, further research regarding modifications in the surgical technique of axillary nodes dissection as well as the development of new chemotherapeutic agents effective in Lymphangiosarcoma are required.
Written informed consent was obtained from the patient for publication of this case report and accompanying images. A copy of the written consent is available for review by the Editor-in-Chief of this journal.
breast cancer related lymphedema
isolated limb perfusion
modified radical mastectomy.
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