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Desmoplastic malignant melanoma is a rare variant of spindle cell melanoma commonly seen in older adults on sun-exposed areas. It accounts for 1–4 % of all cases of cutaneous melanoma. The common location of the desmoplastic melanoma is the head and neck region, whereasother sites are less common. A 45-year-old male presented with an proliferative growth on nose, after a trauma that was diagnosed as tumor. Histopathological examination with the help of wide panel of immunohistochemical methods and with emphasis on SOX10, was, after a broad diferential diagnosis concluded as a desmoplastic melanoma.

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.

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.

Condylar hyperplasia (CH) of the mandible is a rare pathology that occurs at the head of the condyle and can lead to facial asymmetry affecting occlusion and possible association with pain and dysfunction. Unilateral condylar hyperplasia is an uncommon condition of unknown aetiology, proper diagnosis of which has to be established, as the patients may look for surgical help. A rare case of unilateral condylar hyperplasia of the mandible is reported here.

The authors report an interesting case of dangerous complications during dental hygienist treatment. Soft tissue emphysema during, and after stomatological procedures is described in several works. Such a complication after „airflowing“ has not yet been published in literature.

Background. Osteonecrosis related to bisphosphonate therapy is a challenging disease with complicated treatment. It is well known among the maxillofacial surgeons all around the world since 2003. Despite of it, the incidence is still rising, because of the lack of prevention before using bisphosphonates. Disturbing the bone metabolism leads by even a small trauma to enormous defects, that is despite of intensive therapy irreversible. Treatment of this disease is commonly joint with losing the bone tissue and badly affects the quality of life. Often is necessary the combined therapy, surgery, antibiotics and antimycotics. The discontinuation of bisphosphonate treatment during the osteonecrosis therapy is also recommended if it is possible.