Preface, 1 Introduction, Section 1: Cutaneous NK/T-cell lymphomas and lymphoproliferative disorders 2 The "parapsoriases", 3 Mycosis fungoides, Adnexotropic mycosis fungoides Pustular mycosis fungoides Localized pagetoid reticulosis (Woringer-Kolopp type) Unilesional ("solitary") mycosis fungoides Granulomatous mycosis fungoides Granulomatous slack skin Erythrodermic mycosis fungoides Mycosis fungoides mimicking eczematous dermatoses Interstitial mycosis fungoides Poikilodermatous mycosis fungoides ("poikiloderma vasculare atrophicans") Hypopigmented mycosis fungoides Hyperpigmented mycosis fungoides Purpuric mycosis fungoides Papular mycosis fungoides Pityriasis lichenoides-like mycosis fungoides Bullous (vesiculobullous) and dyshidrotic mycosis fungoides Anetodermic mycosis fungoides "Invisible" mycosis fungoides Psoriasiform mycosis fungoides Nevoid hyperkeratosis of the nipple and mycosis fungoides Acanthosis nigricans-like mycosis fungoides 4 Sézary syndrome, 5 Primary cutaneous CD30+ lymphoproliferative disorders, Lymphomatoid papulosis, Cutaneous anaplastic large cell lymphoma, "Borderline" cases, Intralymphatic anaplastic large cell lymphoma, Implant-associated anaplastic large cell lymphoma, 6 Subcutaneous panniculitis-like T-cell lymphoma, 7 Primary cutaneous aggressive epidermotropic CD8+ cytotoxic T-cell lymphoma 8 Primary cutaneous g/d T-cell lymphoma, 9 Cutaneous extranodal NK/T-cell lymphoma, nasal type, 10 Cutaneous peripheral T-cell lymphoma, not otherwise specified (NOS), 11 Cutaneous CD4+ small-medium T-cell lymphoproliferative disorder, 12 Primary cutaneous acral CD8+ T-cell lymphoproliferative disorder, 13 Cutaneous adult T-cell leukemia/lymphoma, 14 Specific cutaneous manifestations of nodal T-follicular helper cell lymphoma, angioimmunoblastic type and of other nodal T-follicular helper cell lymphomas 15 Cutaneous manifestations in Epstein-Barr virus-positive T-cell and NK-cell lymphoid proliferations and lymphomas of childhood Severe mosquito bite allergy, Hydroa vacciniforme lymphoproliferative disorder, Classic hydroa vacciniforme, Systemic hydroa vacciniforme lymphoproliferative disorder Section 2: Cutaneous B-cell lymphomas and lymphoproliferative disorders 16 Cutaneous follicle center lymphoma, 17 Cutaneous marginal zone lymphproliferative disorder and variants, Cutaneous marginal zone lymphproliferative disorder, conventional variant, Cutaneous marginal zone lymphproliferative disorder, lymphoplasmacytic variant, Cutaneous marginal zone lymphproliferative disorder, plasmacytic variant, Cutaneous marginal zone lymphproliferative disorder, blastoid variant, Cutaneous amyloidoma 18 Cutaneous diffuse large B-cell lymphoma, leg type, 19 Intravascular large cell lymphomas, Intravascular large B-cell lymphoma, Intravascular large NK/T-cell lymphoma, 20 Other cutaneous B-cell lymphomas, Specific cutaneous manifestations in Epstein-Barr virus (EBV)+ diffuse large B-cell lymphoma, Specific cutaneous manifestations in mantle cell lymphoma, Specific cutaneous manifestations in extracavitary primary effusion lymphoma, Specific cutaneous manifestations in multiple myeloma, Specific cutaneous manifestations in Burkitt lymphoma, Cutaneous lymphomatoid granulomatosis, Cutaneous plasmablastic lymphoma, Cutaneous T-cell/histiocyte-rich large B-cell lymphoma, Cutaneous manifestations in Waldenström macroglobulinemia, Section 3: Cutaneous lymphomas and lymphoproliferative disorders in the setting of immune deficiency / dysregulation 21 Cutaneous lymphoproliferative disorders and lymphomas in the setting of immune deficiency / dysregulation, Posttransplant immunodeficiency / dysregulation, Human immunodeficiency virus (HIV)-related immune deficiency / dysregulation, Immune deficiency / dysregulation due to other iatrogenic and non-iatrogenic factors, Cutaneous plasmacytic hyperplasia associated with immune deficiency / dysregulation, Cutaneous polymorphic B-cell lymphoproliferative disorder associated with immune deficiency / dysregulation, Epstein-Barr virus (EBV)-associated mucocutaneous ulcer, Cutaneous manifestations of multicentric Castleman disease, Section 4: Specific cutaneous manifestations of leukemias and of precursor hematologic neoplasms 22 &n.