演題１ reticular erythematous mucinosis ４ interstitial granulomatous dermatitis ３（うち ~ with arthritis １） granuloma annulare ２ Leprosy（Hansen's disease） ２

Churg-Strauss syndrome centrifugal annular erythema Morphea Schnitzler's syndrome (small vessel vascutitides associated with paraprotenemias) erythema chronicum migrans urticarial erythema erythema elevatum diutinum lupus erythematosus tumidus erythematous granuloma a kind of collagen disease superficial and deep perivascular dermatitis, nodular dermatitis malignant lymphoma

演題２ adult（onset）Still‘s disease ６ Sweet disease ４ subacute cutaneous lupus erythematosus ３ interstitial granulomatous dermatitis ２(うち ~collagen attack fiber reaction：１) urticarial vasculitis ２ autoimmune annular erythema erythema migrans Sjögren syndrome Familial Mediterranean fever non-specific

演題３ Kikuchi's disease ５ adult（onset）Still's disease ３

Systemic lupus erythematosus もしくは lupus erythematosus ４ （うち ~with antiphospholipid antibody syndrome： ２） antiphospholipid antibody syndrome ２ Cryoglobulinemia ２ livedo vasculopathy Livedo vasculitis

Schnitzler syndrome dermatomyositis Rheumatoid vasculitis Chronic GVHD Degos disease

演題４． Cryofibrinogenemia ６ cryoglobulinemic purpura (crystalglobulin) pseudo gout ４（うち~CPPD deposition：１） CPPD crystal deposition disease hyper gammaglobulinemic purpura perforating collagenosis cutaneous macroglobulinosis cutaneous ulcer due to molecular target drug livedo vasculopathy livedo reticularis with winter ulceration chillblain lupus ulcer and purpura on foot by crystallization immunoglobulin some deposition

演題５ calcinosis cutis １０ （うち metastatic~：４） calcinosis with elastic fiber degenation tumoral carcinosis calcinosis pseudoxanthoma elasticum ５ aquired pseudoxanthothoma elasticum localized acquired cutaneous pseudoxanthoma elasticum calciphilaxis morphea with carcification elastofibroma foreign body of subcutaneous tissue

演題６ ganglion ４（うち ~with verrucous epidermal changes : 1） inflammatory pseudocyst ２ verruca vulgaris 3 synovial cyst ３（うち metaplastic~：１、~with hyperkeratotic change：１） bursitis ２（うち olecranon~：１） rheumatoid nodule verruca-like papillomatous lesions prurigo nodularis calcinosis cutis acantholytic acanthoma seborrheic keratosis

演題７ circumscribed plantar （もしくは acral） hypokeratosis 5 large cell acanthoma 3 stucco keratosis 3 lichen planus pigmentosus ２ squamous cell carcinoma in situ あるいはそれに準ずる群（５） squamous cell carcinoma in situ ２ actinic keratosis radiation keratosis pigmented Bowen disease hyperkeratosis lenticularis perstans post-inflammatory pigmentation porokeratosis lentigo poroma

演題８ Squamous cell carcinoma 群 （１７） うち epidermal cyst に関連したもの ruptured epidermal cyst with squamous cell carcinoma ３ squamaous cell carcinoma in epidermoid cyst ２ SCC arising from epidermal cyst ２ SCC with sarcomatous changes arised from epidermal cyst spindle-cell squamous carcinoma arising from epidermal cyst of the buttock squamous cell carcinoma arising in atheroma with cholesterin granuloma うち trichilemmal cyst、proliferating trichilemmal cyst に関連したもの malignant proliferating trichilemmal tumor ２ proleferating trichilemmal cyst---> SCC うち atheroma に関連したもの atheroma からの SCC その他 cystic SCC with myoepitheliomatous differentiation spindle cell SCC SCC+sarcomatous change malignant mixed tumor ２ carcinosarcoma chondrosarocoma angiosarcoma

演題９ Squamous cell carcinoma 群 （１２） acantholytic squamous cell carcinoma ４ spindle cell SCC ２ squamous cell carcinoma (spindle and lymphoepithelioid type) pseudovascular squamous cell carcinoma clear cell squamous cell carcinoma SCC with rhabdoid feature SCC NOS ２

Angiosarcoma ３（うち lymphangiosarcoma： ２） eccrine porocarcinoma eccrine ductal carcinoma malignant hidroadenoma adenosquamous carcinoma signet ring cell carcinoma spindle cell carcinoma metastatic carcinoma

演題１０ eccrine spiradenoma ６ spiroadenoma ６ malignant spiradenoma eccrine spiradenocarcinoma cylindroma solid cystic hidradenoma ２ nodular hidradenoma hidradenoma, apocrine type eccrine hidradenoma poroid hidradenoma pleomorphic adenoma malignant mixed tumor

演題１１ porocarcinoma ６ eccrine porocarcinoma ３ aggressive digital papillary adenocarcinoma ３ nodular hidradenoma ２（うち ~with bone formation：１） malignant nodular hidradenoma poroma もしくは eccrine poroma もしくは poroid hidradenoma １回答ずつ dermal duct tumor eccrine ducrtal carcinoma malignant trichoblastoma malignant pilomatricoma もしくは pilomatrixoma ２ giant pilomatricoma

演題１２ metastatic skin cancer 群 （１３） metastatic carcinoma もしくは skin tumor 6 metastatic adenocarcinoma ３ metastatic carcinoma from lung adenocarcinoma metastasis from pulmonary large cell carcinoma with mucin metastatic carcinoma from lung cancer signet-ring cell carcinoma, metastasis salivary gland cancer, adenocarcinoma NOS ３ signet ring cell carcinoma ２ signet ring cell apocrine carcinoma poorly differentiated adenocarcinoma of unknown origin adenocarcinoma sebaceous adenoma plexiform fibrohistiocytic tumor

演題１３ malignant melanoma 群 （１０） malignant melanoma ５ malignant melanoma in situ ５（うち ALM in situ：１） junctional nevus ５ Spitz nevus ２（うち intraepidermal Spitz nevus：１） Clark nevus nevus, traumatized nevus pigmentosus melanocytic acral nevus with intraepidermal asccent cells melanocytic proliferation dysplastic nevus

演題１４ Spitz nevus １３ （うち melanocytic nevus, acquired, Spitz's type：１、juvenile melanoma：１） compound nevus ２ nevus pigmentosus malignat melanoma ２ spindle-cell SCC ２ desmoplastic trichoepithelioma eccrine poroma metastatic adenocarcinoma of the skin angiosarcoma

演題１５ Spitz nevus １５ （うち melanocytic nevus, acquired, Spitz's type：１、tubular Spitz nevus：１） atypical Spitz nevus malignant melanoma inflammatory linear verrucous epidermal nevus eccrine adenocarcinoma Kaposi's malignant fibrous histiocytoma

演題１６ malignant melanoma 群 （９） malignant melanoma ６ （うち nail apparatus melanoma：１） malignant melanoma in situ ３ atypical melanocytic proliferation nevus pigmentosus、nevus cell nevus、melanocytic nevus もしくは pigmented nevus ６ junctional nevus lentigo simplex ２ nevus ２ melanonychia pigmentatio striata unguium

演題１７ cutaneous angiolipoleiomyoma ３ angiomyolipoma ２ myolipoma ２ lipoleiomyoma lipoma 群 angiolipoma spindle cell lipoma fibrohistiocytic lipoma fibrolipoma naevus lipomatosus superficialis ２ folliculosebaceous smooth muscle hamartoma ２ hamartoma of smooth muscle and adipose tissue fibrolipomatous hamartoma hamartoma leiomyoma もしくは piloleiomyoma ２ angiomyofibroblastoma-like tumor (lipomatous variant)

演題１８ supreficial acral fibromyxoma ６ fibromyxoma angiofibroma ５ myxoid angiofibroma myopericytoma infantile hemangiopericytoma solitaly fibrous tumor Glomangioma myofibroma spindle cell hemangioma ２ venous hemangioma (Arteriovenous malformation?) arteriovenous hemangioma AV mulformation benign fibrous histiocytoma

演題１９ dermatofibrosarcoma protuberans（DFSP） ６（うち myxoid~：２） solitary fibrous tumor ７ （うち myxoid~：２、 extrapleural~：１） myxofibrosarcoma ４ （うち low grade~：２） cellular fibrous histiocytoma neurofibroma neurothekeoma PNET Kaposi's sarcoma nodular fasciitis 演題２０ ５ （うち ~with monster cells： １） fibrous histiocytoma atypical fibrous histiocytoma dermatofibrosarcoma protuberans ４ fibrosarcoma piloleiomyoma もしくは leiomyoma ４ cutaneous もしくは superficial leiomyosarcoma ２ soft tissue perineurioma もしくは perineuroma ３ hybrid schwannoma/perineuroma sclerosing fibroma dermatomyofibroma

演題２１ atypical lipomatous tumor ４ liposarcoma lipoblastoma fibrolipoma ２ angiomyolipoma ３ angiolipofibroma angiofibrolipoma with atypical cells in vessel's wall angioleiomyoma leiomyosarcoma ２ angioleiomyosarcoma angioliposarcoma angiolipoleiomyosarcoma hemangioliposarcoma traumatic fat necrosis nodular fasciitis subcutaneous fat necrosis

演題２２ rhabdomyosarcoma １９ （うち alveolar~： ６、 pleomorphic~： １） malignant rhabdoid tumor desmoplastic small round cell tumor Ewing's sarcoma with rhabdoid feature malignant lymphoma dedifferentiated liposarcoma

演題２３ nerve sheath myxoma ８ superficial acral fibromyxoma ４ （うち acral fibromyhxoma： １） neurofibroma ３ neurothekeoma superficial angiomyxoma malignant peripheral nerve sheath tumor（MPNST） ２ myxofibrosarcoma ２ （うち low grade~： １） myxoid liposarcoma myomatous pleomorphic lipoma

演題２４ myxofibrosarcoma ９ （うち high grade~：１） liposarcoma ４ （うち pleomorphic~：１、 myxoid：１） malignant peripheral nerve sheath tumor （MPNST） ３ （うち myxoid~：１） neurofibrosarcoma malignant fibrous histiocytoma（MFH） ３ （うち myxoid type：１） mesenchymal tumor neurofibroma inflammatory myofibroblastic tumor nodular fasciitis

演題２５ perineurioma １６（うち soft tissue~：３、intraneural：１、soft tissue perineurioma with myxoid change：１、 sclerosing~：２） ossifying fibromyxoid tumor ２ synovial sarcoma ２ Schwannoma epitheloid leiomyoma, plexiform type spindle cell sarcoma

演題２６ hobnail hemangioma ７ microvenular hemangioma ７ pseudo Kaposi's sarcoma ２ retiform hemangioendothelioma hemangioendothelioma reactive angioendotheriomatosis epithelioid hemangioma (angiolymphoid hyperplasia with eosinophilia) spindle-cell hemangioma cavernous hemangioma hemangioma, histologically Kaposi sarcoma

演題２７ chronic expanding hematoma ８（うち~arising from hemangioma： １） hematoma with endothelial cell hyperplasia hematoma, histologically angiosarcoma ２ kaposiform hemangioendothelioma ２ sinusoidal hemangioma ２ tufted angioma cavernous hemangioma venous racemous hemangioma proximal epithelioid sarcoma AV malformation perineurioma

演題２８ epithelioid sarcoma ９ angiosarcoma ４（うち epithelioid~：２） Kaposi's sarcoma ２ epithelioid hemangioendothelioma ２ angiomatoid fibrous histiocytoma ２

Synovial sarcoma Alveolar soft part sarcoma Carcinoma

演題 29 ポ１. palmar circumscribed hypokeratosis もしくは circumscribed acral hypokeratosis もし くは circumscribed palmoplantar hypokeratosis ２３

演題 30 ポ２. solitary fibrous tumor ５ （うち solitary fibroma of the skin： １） angioleiomyoma ４ myofibroblastic tumor ４ （うち inflammatory~： ３） hemangiopericytoma ２

（benign） fibrous histiocytoma ５ （うち cellular： ２、 deep~：１） angiomatous dermatofibroma leiomyosarcoma atypical fibroxanthoma 演題 31 ポ３. superficial angiomyxoma ４ nerve sheath myxoma ３ myxoid nerve sheath tumor superficial acral fibromyxoma Carney myxoma myxoma neurilemmoma ２ melanocytic Schwannoma ２ psammomatous melanotic Schwannoma pigmented Schwannoma

Bedner tumor ２ pigmented neurofibroma neurofibroma with melanocytes neurofibroma pleomorphic lipoma

演題 32 ポ４． basal cell carcinoma（BCC） １５（うち adenoid~： １） BCC with eccrine differentiation BCC with apocrine differentiation BCC with sweat glands differenciation basal cell carcinoma with adenomatous change basal cell carcinoma (differentiation to adenocarcinoma) basal cell carcinoma with glandular or ductal differentiation ２ basal cell carcinoma with ossification trichoblastoma 演題 33 ポ５ malignant melanoma（MM） １４ （うち nodular type~：１） dermal melanoma metastatic malignant melanoma proliferating nodule of congenital melanocytic nevus metasitasis of breast cancer ２ （うち pigmented epidermotropic metastases from breast carcinoma： １） metastatic adenocarcinoma ２ squamous cell carcinoma