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Tumors
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Index:
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Lymphomas
Classification of cutaneous lymphomas (WHO 2008)
Some pathognomonic clues in the diagnosis of lymphoma
B-cell lymphomas:
Cutaneous diffuse large B-cell lymphoma, Cutaneous follicle centre lymphoma, Intravascular large B-cell lymphoma, Lymphoblastic lymphoma, Posttransplant lymphoproliferative disorder, Precursor B-cell lymphoblastic lymphoma, Primary cutaneous large B-ceel lymphoma leg-type, Primary cutaneous marginal-zone B-cell lymphoma, Table on differential diagnosis of cutaneous B-cell lymphomas
T-cell lymphomas:
Adult T-cell leukemia/lymphoma, Angioimmunoblastic T-cell lymphoma, Cutaneous gamma/delta T-cell lymphoma, Extranodal NK/T-cell lymphoma, nasal type, Hydroa vacciniforme-like lymphoma, Mycosis fungoides, Primary cutaneous aggressive epidermotropic CD8+ cytotoxic T-cell lymphoma , Primary cutaneous CD4+ small/medium-sized pleomorphic T-cell lymphoma , Primary cutaneous CD30+ lymphoproliferative disorders, Primary cutaneous peripheral T-cell lymphoma, unspecified, Sezary syndrome, Subcutaneous panniculitis-like T-cell lymphoma
Dendritic cell neoplasms
Melanocytic lesions
Blue nevus, Cellular blue nevus, Congenital versus adquire nevus , Deep penetrating nevus, Desmoplastic melanoma, Desmoplastic nevus, Lentigo maligna, Lentigo simple, Malignant blue nevus, Melanoma (and variants), Melanocytic nevus, Melanotic schwannoma, Melasma, Mongolian Spot, Nevus (melanocytic, general), Nevus of Ota, Recurrent nevus, Ota nevus, Signet-ring cell melanoma, Spitz nevus, Spitzoid melanoma
Metastases into the skin
Cytokeratin pattern of immunostaining in metastasis of primary unknown, Extramammary Paget disease, Mammary Paget disease, Metastasis of melanoma, Small cell carcinoma from the lung
Tumors with apocine and eccrine differentiation
Morphologic criteria of eccrine and apocrine differentiation in a neoplasiaSome clues in the differential diagnosis between benign and malignant adnexal tumors
Adenoid cystic carcinoma, Adenosquamous carcinoma, Apocrine hydradenoma, Apocrine and eccrine nevus, Chondroid syringoma, Clear cell hydradenoma, Cylindroma, Dermal duct tumor, Duct tumor (dermal), Eccrine angiomatous hamartoma, , Extramammary Paget disease, Hydradenoma, Hidrocystoma, Mucoepidermoid carcinoma, Nipple adenoma, Nodular hydradenoma, Pilomatricoma, Poroid neoplasms (general), Poroma, Reticulated acanthoma, Spiradenoma, Syringocystadenoma papilliferum, Syringofibroadenoma, Syringoma, Tubular adenoma
Tumors of the surface epithelium
Acantholytic squamous cell carcinoma, Actinic keratosis, Adenosquamous carcinoma, Basal cell carcinoma, Basaloid follicular hamartoma, Bowen disease, Clear cell acanthoma, Dilated pore of Winer, Epidermal nevus, Fibrosing basal cell carcinoma, Follicular hamartoma (basaloid), Infundibular cyst, Isthmic-anagenic cyst, Keratoacanthoma, Keratocyst, Linear epidermal nevus, Morphea-like basal cell carcinoma, Mucoepidermoid carcinoma, Nevus comedonicus, Pore (dilated of Winer), Proliferating tricholemmal tumor, Reticulated acanthoma, Seborreic keratosis, Solar keratosis, Squamous cell carcinoma, Squamous cell carcinoma with mucinous metaplasia, Trichoadenoma, Verrucous carcinoma, Verrucous cyst, Winer (dilated pore),
Sebaceous tumors
Morphologic criteria of sebaceus differentiationSome clues in the differential diagnosis between benign and malignant adnexal tumors
Folliculosebaceous cystic hamartoma, Fordyce disease, Sebaceoma, Sebaceous carcinoma, Sebaceous cystic hamartoma, Sebaceous hyperplasia, Sebaceous nevus of Jadasson, Steatocystoma
Tumors with follicular differentiation
Morphologic criteria of follicular differentiationSome clues in the differential diagnosis between benign and malignant adnexal tumors
Fibrous papule of the face, Follicular infundibulum tumor, Folliculosebaceous cystic hamartoma, Hair cortex comedo, Infundibulo-folliculosebaceous cystic hamartoma, Isthmic-anagenic cyst, Isthmic-catagenic cyst, Matricoma, Pilar sheath acanthoma, Pilomatricoma, Proliferating tricholemmal tumor, Seborreic keratosis, Trichoblastoma, Trichoepithelioma, Trichofolliculoma, Tumor of follicular infundibulum
Soft tissue tumors
Acquired digital fibrokeratoma, Acral fibromyxoma, Adenolipoma, Adipocytic liposarcoma, Angiohistiocytoma (multinucleated cells), Angioleiomyoma, Angiolipoma, Atypical fibroxanthoma, Atypical lipomatous tumor, Cellular neurothekeoma, Chondrosarcoma myxoid, Circunscribed solitary neuroma, Cutaneous superficial angiomyxoma, Dermatofibroma, Dermatofibrosarcoma protuberans, Dermatomyofibroma, Digital fibrokeratoma (acquired), Digital mucous cyst, Elastofibroma, Encapsulated and palisaded neuroma, Epithelioid sarcoma, Fibroblastoma (giant cells), Fibrohistiocytic plexiform tumor, Fibrokeratoma (digital acquired), Fibromatosis, Fibromyxoma (acral superficial), Fibrous hamartoma of childhood, Giant cell fibroblastoma, Granular cell tumor, Hamartoma (fibrous of childhood), Hamartoma (smooth muscle), Infantile myofibromatosis, Inflammatory mixohyaline tumor, Leiomyoma, Lipomatous tumor (atypical), Liposarcoma (general), Liposarcoma adipocytic, Liposarcoma myxoid, Liposarcoma pleomorphic, Liposarcoma (round cell), Liposarcoma (sclerosing), Liposarcoma (well-differentiated), Malignant fibrous histiocytoma, Melanotic Schwannoma, Merkerl cell carcinoma, Multinucleated cells angiohistiocytoma, Myoepithelioma, Myofibromatosis (nfantile), Miopericytoma, Myxofibrosarcoma, Myxoid chondrosarcoma, Myxoid cyst, Myxoid liposarcoma, Myxoid malignant fibrous histiocitoma, Mixohyaline inflammatory tumor, Myositis ossificans, Myxoid cyst, Neurofibroma, Neuroma solitary circunscribed, Neuroma encapsulated and palisaded, Neurothekeoma (cellular), Ossifying fibroma (peripheral), Palisaded and encapsulated neuroma, Peripheral ossifying fibroma, Pleomorphic liposarcoma, Plexiform fibrohistiocytic tumor, Proliferative nodular fascitis, Psammomatous melanotic schwannoma, Round cell liposarcoma, Schwannoma, Schwannoma melanotic, Sclerosing liposarcoma, Smooth muscle hamartoma, Solitary circunscribed neuroma, Spindle cell lipoma, Superficial acral fibromyxoma, Synovial sarcoma, Well-differentiated liposarcoma
Vascular tumors
Vascular tumors versus vascular malformations
Acquired elastotic hemangioma, Angiokeratoma, Angioleiomyoma, Angiosarcoma, Arteriovenous hemangioma, Atypical vascular lesion after radiotherapy, Capillary lobular hemangioma, Cirsoid aneurism, Cutaneous epithelioid angiomatous nodule, Eccrine angiomatous hamartoma, Elastotic hemangioma (acquired), Glomangioma, Glomus tumor, Granuloma pyogenicum, Kaposi sarcoma, Lobular cappillary hemangioma, Microvenular hemangioma, Myopericytoma, Postradiation vascular proliferation, Postradiotherapy vascular lesion, Pyogenic granuloma, Spindle cell hemangioma, Tufted angioma, Venous hemangioma, Venous lake, Verrucous hemangioma
Nail tumors
Lentigo, Melanocytic activation, Melanocytic nevus, Melanoma "in situ", Onychomatricoma