Plastic Surgery Key

Fig. 40.1 Spindle cell liposarcoma. The neoplasm is composed of a spindle cell bland neural-like proliferation arranged in fascicles and whorls set in a fibromyxoid stroma Fig. 40.2 A spindle…

Fig. 38.1 Retiform hemangioendothelioma. A vascular tumor composed of elongated arborizing blood vessels involving the dermis and subcutis Fig. 38.2 Retiform hemangioendothelioma. The arborizing blood vessels are arranged in a…

Fig. 21.1 A rapidly growing, firm in consistency, reddish-blue nodule on the forearm Pathology Histopathological diagnosis of MEC requires the detection throughout the tumor, of at least one focus, variably…

Fig. 19.1 Hidradenocarcinoma. A reddish nodule on the scalp. The diagnosis is a histological one Pathology The tumor is characterized by a dermal nodular or nodulocystic infiltrative pattern of growth…

Fig. 50.1 Balloon cell melanoma. Enlarged polygonal cells with vacuolated (clear) cytoplasm and central hyperchromatic nucleus in at least 50 % of cells Fig. 50.2 Balloon cell melanoma. Nuclear pleomorphism,…

Fig. 36.1 Epithelioid hemangioendothelioma. A single, erythematous, painful nodular plaque on the trunk. Although a vascular lesion can be considered, the diagnosis is a histological one Pathology The tumor is…

Fig. 48.1 Myxoid melanoma. Melanocytes are embedded in a myxoid stroma, composed of basophilic, acidic mucin, that may be either focal or diffuse Fig. 48.2 Myxoid melanoma. Spindle, round, stellate-shaped,…

Fig. 37.1 Kaposiform hemangioendothelioma. Irregular tumor nodules growing in an infiltrative fashion and evoking a dense hyaline stromal response (Courtesy of H.Kutzner, Friedrichshafen) Fig. 37.2 Kaposiform hemangioendothelioma. Tumor nodules composed…

Fig. 47.1 Signet ring cell melanoma. Low-power magnification demonstrates an intraepidermal proliferation of atypical melanocytes with pagetoid spread. Within the dermis, there are sheets of atypical melanocytes, some of which…

Fig. 20.1 Malignant cylindroma. The tumor is composed of dermal irregular cords and nests with an infiltrative pattern of growth, without connection to the epidermis Fig. 20.2 The tumor forms…