organ system benign neoplasm
 |__integumentary system benign neoplasm__
integumentary system disease              |
 |__integumentary system benign neoplasm__|
 |__skin disease__________________________|
                                          skin benign neoplasm  2 rec.
                                           |__angiokeratoma circumscriptum
                                           |__angiokeratoma of Fordyce
                                           |__benign dermal neurilemmoma
                                           |__clear cell acanthoma
                                           |__cutaneous fibrous histiocytoma
                                           |__cutaneous ganglioneuroma
                                           |__dermis tumor
                                           |   |__leiomyoma cutis
                                           |__dermoid cyst of skin
                                           |__epidermal appendage tumor
                                           |__eyelid benign neoplasm
                                           |__granular cell tumor
                                           |__hair follicle neoplasm 1 rec.
                                           |   |__follicular infundibulum tumor
                                           |   |__pilomatrixoma 1 rec.
                                           |__hemangioma of subcutaneous tissue
                                           |__scrotal angioma
                                           |__sebaceous gland neoplasm
                                           |   |__sebaceous adenoma
                                           |__seborrheic keratosis 1 rec.
                                           |   |__inflamed seborrheic keratosis
                                           |   |__inverted follicular keratosis(+)
                                           |   |__melanoacanthoma
                                           |   |__vulvar seborrheic keratosis(+)
                                           |__senile angioma
                                           |__skin epithelioid hemangioma
                                           |__skin glomangioma
                                           |   |__telangiectatic glomangioma
                                           |__skin granular cell tumor
                                           |__skin hemangioma
                                           |   |__angiokeratoma(+)
                                           |   |__angioma serpiginosum
                                           |   |__verrucous keratotic hemangioma
                                           |__skin lipoma
                                           |__skin papilloma
                                           |   |__squamous cell papilloma of skin
                                           |__sweat gland benign neoplasm
                                               |__apocrine sweat gland neoplasm(+)
                                               |__eccrine sweat gland neoplasm(+)
                                               |__hidradenoma(+)
                                               |__myoepithelioma
                                               |__syringoma