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Internal malignancy may be presented in the form of paraneoplastic syndromes, which may indicate either formation or recurrence of a previously treated malignancy. Furthermore cutaneous paraneoplastic disorders often precede a diagnosis of cancer. We present 2 unique case reports with cutaneous paraneoplastic manifestations. The first one describes a patient with sudden progression of long-term stabilized morphea in connection with newly diagnosed hepatocellular carcinoma (HCC). The second one describes female patient with breast cancer preceded by the development of extragenital lichen sclerosus (LS) with typical sclerotic lesions and hemorrhagic bullae. [ABSTRACT FROM AUTHOR]

Burning, itching and dyspareunia are typical symptoms of many genital diseases. These subjective complaints can be misdiagnosed because of different clinical presentations. We present a case report of a postmenopausal woman treated for genital warts over a period of three years followed by the development of leukoplastic lesions in the whitish area clinical classified as Lichen sclerosus (LS). Histology of this lesion revealed carcinoma in situ. After radical surgical removal, vulvar Paget's disease was histologically verified. LS and extramammary Paget's disease (EMPD) belong to a group of uncommon dermatoses which mainly affect the skin of the genitals in postmenopausal women. Ulceration, erosions and leukoplastic lesions can signalize the development of squamous cell carcinoma in association of lichen sclerosus, on the other hand, they can be the sign of EMPD after a long period of time using different topical agents. The importance of reaching the correct diagnosis is essential and can influence current patient investigations and invasive or non-invasive treatment. [ABSTRACT FROM AUTHOR]