Extramammary Paget's disease natural history, complications and prognosis: Difference between revisions

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Revision as of 15:11, 1 February 2016

Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]Associate Editor(s)-in-Chief: Simrat Sarai, M.D. [2]

Natural History

Complications

Prognosis

The prognosis for primary Extramammary Pagets's disease (EMPD) confined to the epidermis is excellent. However, invasive primary extramammary Paget's disease (EMPD) carries a poor prognosis, particularly if lymphovascular invasion is present.
The depth of invasion is an important prognostic factor, with microscopic invasive disease (less than 1 mm dermal invasion) having a more favorable prognosis than lesions showing deeper invasion.
The prognosis decreases substantially with lymphovascular involvement, with a five-year survival rate of 0% in the presence of inguinal lymph node metastases.

Lengthy follow up is advocated in all cases of primary extramammary Paget's disease (EMPD) and each patient should be thoroughly investigated to rule out an underlying malignancy, particularly in cases of male genital disease or perianal.

The prognosis of secondary extramammary Paget's disease (EMPD) depends on the prognosis of the underlying carcinoma but is generally worse than that for primary EMPD.
The course of extramammary Paget's disease (EMPD) may extend over a period of 10-15 years without evidence of cancer or metastases. In a minority of patients, tumor cells infiltrate the adnexa, dermis, or lymph nodes. Both morbidity and mortality are increased in these patients because of the chemotherapy or extensive surgical treatment that they need.
The prognosis for extramammary Paget's disease (EMPD) heavily depends on early diagnosis with definitive surgical treatment. Full recovery in extramammary Paget's disease is possible in patients with negative margins after micrographic surgery and purely epidermal. One study showed a mortality of 46% for those with underlying carcinoma and 18% for patients without associated carcinoma.
Poor prognostic factors for extramammary Paget's disease include the following:
- Perianal disease
- Dermal invasion
- Lymph node metastasis

The recurrence rate of extramammary Paget's disease (EMPD) is 30%, even with margin control. The average time to recurrence is 2.5 years, with case reports of more than 10 years follow-up.

The prognosis of extramamary Paget's disease depends on the following:

Whether or not the tumor can be removed by surgery
The stage of the cancer: the size of the tumor, whether the cancer has spread outside the vulva or penis
The patient’s general health
Whether the cancer has just been diagnosed or has recurred

References

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@@ Line 7: / Line 7: @@
 ==Prognosis==
 *The prognosis for primary Extramammary Pagets's disease (EMPD) confined to the epidermis is excellent.  However, invasive primary extramammary Paget's disease (EMPD) carries a poor prognosis, particularly if lymphovascular invasion is present.
-*The depth of invasion is an important prognostic factor, with microscopic invasive disease (less than 1 mm dermal invasion) having a more favourable prognosis than lesions showing deeper invasion.
+*The depth of invasion is an important prognostic factor, with microscopic invasive disease (less than 1 mm dermal invasion) having a more favorable prognosis than lesions showing deeper invasion.
 *The prognosis decreases substantially with lymphovascular involvement, with a five-year survival rate of 0% in the presence of inguinal lymph node metastases.
-Lengthy follow up is advocated in all cases of primary extramammary Paget's disease (EMPD) and each patient should be thoroughly investigated to rule out an underlying malignancy, particularly in cases of perianal or male genital disease. The prognosis of secondary extramammary Paget's disease (EMPD) depends on the prognosis of the underlying carcinoma but is generally worse than that for primary EMPD.
+Lengthy follow up is advocated in all cases of primary extramammary Paget's disease (EMPD) and each patient should be thoroughly investigated to rule out an underlying malignancy, particularly in cases of male genital disease or perianal.
+*The prognosis of secondary extramammary Paget's disease (EMPD) depends on the prognosis of the underlying carcinoma but is generally worse than that for primary EMPD.
-The course of EMPD may extend over a period of 10-15 years without evidence of cancer or metastases. In a minority of patients, tumor cells infiltrate the dermis, adnexa, or lymph nodes. Both mortality and morbidity are increased in these patients because of the extensive surgical treatment or chemotherapy that they need.
+*The course of extramammary Paget's disease (EMPD) may extend over a period of 10-15 years without evidence of cancer or metastases. In a minority of patients, tumor cells infiltrate the adnexa, dermis, or lymph nodes. Both morbidity and mortality are increased in these patients because of the chemotherapy or extensive surgical treatment that they need.
+*The prognosis for extramammary Paget's disease (EMPD) heavily depends on early diagnosis with definitive surgical treatment. Full recovery in extramammary Paget's disease is possible in patients with negative margins after micrographic surgery and purely epidermal. One study showed a mortality of 46% for those with underlying carcinoma and 18% for patients without associated carcinoma.
-The prognosis for EMPD heavily depends on early diagnosis with definitive surgical treatment. Full recovery is possible in patients with purely epidermal disease and negative margins after micrographic surgery. One study showed a mortality of 18% for patients without associated carcinoma and 46% for those with underlying carcinoma.
+*Poor prognostic factors for extramammary Paget's disease include the following:
+**Perianal disease
-Perianal disease, dermal invasion, and lymph node metastasis are poor prognostic indicators. The recurrence rate of EMPD is 30%, even with margin control. The average time to recurrence is 2.5 years, with case reports of more than 10 years follow-up.
+**Dermal invasion
+**Lymph node metastasis
+The recurrence rate of extramammary Paget's disease (EMPD) is 30%, even with margin control. The average time to recurrence is 2.5 years, with case reports of more than 10 years follow-up.