adnexal tumors Sweat gland origin皮肤附属器肿瘤汗腺起源ppt课件.pptVIP

乙方有义务提供相应的执业资格证、执业印章等配合甲方工程招投标、承担的工程项目报建及建设施工过程中各类手续办理。 乙方有义务提供相应的执业资格证、执业印章等配合甲方工程招投标、承担的工程项目报建及建设施工过程中各类手续办理。 ABC of Sweat Gland Tumors Deba P Sarma, MD Lakeside Hospital, Omaha, NE Sweat gland anatomy Duct Gland Duct: Pore Acrosyringium Syringium Straight part Cylinder Spiral part Gland: Coiled glands Duct: Pore: Opening through epidermis Acrosyringium: Acro (end or top)+ syringium (tube or duct) Syringium: Tube or duct Straight (Cylinder) part of the duct Spiral part of the duct Gland: Coiled glands Duct: Pore: Poroma Acrosyringium: Syringocystadenoma papilliferum Syringium: Syringoma Straight part of the duct: Cylindroma Spiral part of the duct: Spiradenoma Gland: Hidradenoma Sweat gland tumors Benign: Adenoma Ductal Glandular Mixed Malignant: Adenocarcinoma Ductal Glandular Mixed Sweat gland tumors Benign: Ductal: Syringocystadenoma papilliferum Syringoma Hidrocystoma Poroma Cylindroma Spiradenoma Glandular: Hidradenoma Malignant: Adenocarcinoma Syringocystadenoma papilliferum Epidermis shows acanthosis and papillomatosis. Cystic invaginations with papillary projections extend downward from the epidermis. The papillary projections are lined by two layers of cuboidal and columnar epithelial cells. The stroma is infiltrated by a numerous plasma cells. Syringocystadenoma papilliferum Syringocystadenoma papilliferum (SP) is a benign adnexal tumor, most commonly located on the scalp or face, which frequently arises from a nevus sebaceus (NS). Epidermis shows acanthosis and papillomatosis. Cystic invaginations with papillary projections extend downward from the epidermis. The papillary projections are lined by two layers of cuboidal and columnar epithelial cells. Luminal cells may?show decapitation secretion.The st