Dermatopathology You may click on the specific educational entry in which you are interested to display the respective document. A blue bullet () denotes the newest entries from the 2012 Annual Meeting. General Immunohistology in Dermatopathology: Problem Areas Problems with Histotechnology in Dermatopathology: Their Causes and Consequences Recent Advances in Laboratory-Systems Engineering and Their Applications to Dermatopathology Neoplastic Adnexal Tumors Adnexal Proliferations, An Algorithmic Approach to the Diagnosis of Adnexal Tumors of the Skin, What is New ? Cutaneous Adnexal Carcinomas vs Metastatic Adenocarcinomas, Immunohistochemistry in Cutaneous Manifestations of Gastrointestinal Diseases or ... Gastrointestinal Manifestations of Cutaneous Disease, Rodger C. Haggitt Memorial Lecture: Cylindroma Follicular Neoplasia: Trichoblastoma Versus Trichoblastic Carcinoma (Basal Cell Carcinoma) Folliculosebaceous Proliferations Hidradenoma with Mucinous Differentiation Lymphadenoma Proliferating Follicular-cystic Neoplasm (Proliferating Pilar Tumor) Sebaceous Carcinoma Sebaceous Gland Neoplasm: Adenoma or Carcinoma? Sebaceous Neoplasms, Muir Torre Syndrome and MSH Tricholemmal Carcinoma Cutaneous Metastasis Metastatic Papillary Thyroid Carcinoma to the Skin Cutaneous Myeloid and Lymphoid Infiltrates Anaplastic Large Cell Lymphoma with Pseudoepitheliomatous Hyperplasia Atypical Lymphoid Infiltrate with CD30+ Cells and Evolution to Granulomatous Dermatitis at the Site of Zoster Reactivation Blastic NK-cell Lymphoma/CD4+/CD56+ Hematodermic Neoplasm Borrelia Burgdorferi-associated Marginal Zone B-cell Lymphoma CD8+ Lymphoproliferative Disorder in an HIV+ patient (Pseudo-mycosis fungoides in HIV) Cutaneous EBV-Associated Lymphoproliferative Disorder Cutaneous Gamma-delta T cell Lymphomas Cutaneous Large B-cell Lymphomas Cutaneous Lymphoid Infiltrates, An Algorithmic Approach to the Diagnosis of Cutaneous Lymphoid Infiltrates, An Algorithmic Approach to the Diagnosis of Cutaneous Lymphomas, Consensus WHO/EORTC Classification of Cutaneous Lymphomas, What is New? Drug-induced Reversible Lymphomatoid Dyscrasia EBV-associated B Cell Lymphoma (Plasmblastic Lymphoma) in the Setting of Iatrogenic Immune Dysregulation Presenting Initially in the Skin Langerhans Cell Histiocytosis (Histiocytosis X) Lymphomatoid Drug Eruption Lymphomatoid Papulosis, What is: Lymphoid Hyperplasia or Lymphoma? Mycosis Fungoides Mycosis Fungoides and Precursor Lesions Mycosis Fungoides-Like Reactions Myeloid Sarcoma with Mast Cell and Megakaryocytic Differentiation Persistent Reaction to an Insect Bite with Increased CD30-Positive Forms Primary cutaneous anaplastic large cell lymphoma (ALCL) (Short Course) Primary Cutaneous CD10/CD8 Positive T-cell Lymphoma with Dual B and T Cell Rearrangement and Co-expression of CD20 Primary Cutaneous Diffuse Large B-cell Lymphoma, Leg-type Pseudoepitheliomatous Hyperplasia Mimicking Squamous Cell Carcinoma in Association with a CD30+ Lymphoproliferative Disorder Pseudolymphomas Spectrum of Cutaneous CD30-Positive Lymphoproliferative Disorders Subcutaneous Panniculitis-like T-cell Lymphoma Subcutaneous Panniculitis-like T-cell Lymphoma (Short Course) T-cell Rich Angioma-like Polypoid Pseudolymphoma Dermal/Mesenchymal Tumors Atypical Fibroxanthoma, What is? Carcinoma, Sarcoma, Both, or Neither? Blastic Plasmacytoid Dendritic Cell Neoplasm (BPDCN) Clear Cell Sarcoma Epithelioid Sarcoma Fibrohistiocytic Tumors of Skin Pseudosarcomatous Reactions Soft Tissue Tumors of the Skin, What is New? Soft Tissue Tumors with Fibrocytic (Fibro"histio"cytic) Differentiation Soft Tissue Tumors with Fibrocytic (Fibro"histio"cytic) DifferentiationAdnexal Proliferations, An Algorithmic Approach to the Diagnosis of Soft Tissue Tumors with Lipocytic Differentiation Soft Tissue Tumors with Neural Differentiation Soft Tissue Tumors with Vascular Differentiation Spindle Cell Tumors That Make You Say, "Oh, @$%**!" Epidermal Tumors/Conditions Aggressive Digital Papillary Adenocarcinoma Desmoplastic Squamous Cell Carcinoma Error & of Disclosure, Anatomy of - A Lesson Ethical Extramammary Paget's Disease, Pitfalls in the Diagnosis of Keratoacanthoma, What is? A Form of Squamous Cell Carcinoma or a Tumor Sui Generis? Merkel Cell Carcinoma with Pagetoid Growth Pattern Mimickers of Carcinomas Non-melanocytic Lesions Porokeratosis of Mibelli Potentially Aggressive Cutaneous Tumors, Clues to Practical Immunohistology of Cutaneous Neoplasms: An Update Pseudoepitheliomatous Hyperplasia Mimicking Squamous Cell Carcinoma in Association with a CD30+ Lymphoproliferative Disorder Sarcomatoid (Spindle Cell) Squamous Cell Carcinoma Sarcomatoid Carcinoma Tricholemmal Carcinoma Melanocytic Angiomatoid Spitz Nevus Basomelanocytic Tumors - Another Nail in the Neural Crest Coffin? Benign Melanocytic Nevi with Pregnancy-associated Changes Compound Nevus of Milk Line Type Cutaneous Melanocytic Lesions: Do Not Miss the Invisible Gorilla on That Lesion! Cutaneous Melanoma, Microstaging in De Novo Intraepidermal Epithelioid Melanocytic Dysplasia Doctors, Lawyers and Melanocytic Neoplasms - Under the Microscope Equivocal/Borderline Melanocytic Lesion (Tumor), The Concept of: Is It Valid? If So, Why? If Not, Why Not (What Is Valid)? Genetic and Molecular Studies in Spitz Nevus and Melanoma How the Surgical Pathologist Helps in Developing New Therapies Malignant Melanoma with Vertical Growth Phase (VGP) Heterogeneity and Lymph Node Metastasis with Rhabdoid Features Malignant Melanoma, Genetic Analysis of : Do We Still Need Histology? Malignant Melanoma, Nodular Type (2.4 cm) Invading into the Reticular Dermis with a Breslow Depth of 1.2 cm (Clark's/Chung's Level IV), Associated with Extramammary Paget's Disease Malignant Melanoma, Spindle Cell Type (Short Course) Melanocytic Lesions Melanocytic Lesions, Algorithm for the Diagnosis of Melanocytic Mimickers of Melanoma Melanocytic Neoplasia, Pitfalls in the Molecular Analysis Melanocytic Tumors, What is New? Melanoma with regression Melanoma with Underlying Regression Melanomas in Children Molecular Cytogenetics as a Diagnostic Tool for Typing Melanocytic Tumors Mucosal Melanoma of Eustachian Tube Non-Melanocytic Melanoma-Look Alikes Sentinel Lymph Node Biopsies: Evidence-Based Sentinel Lymph Node Biopsy in Difficult Spitzoid Melanocytic Proliferations Skin, back: Malignant melanoma, nodular type, ulcerated, with epithelioid tumorigenic and mitogenic vertical growth phase, and Spitzoid features, extending to Clark's level IV at a greatest Breslow thickness of at least 1.1 mm, transected at the specimen base Spindle Cell Melanocytic Neoplasms Spitz's Nevus. Evolution of the Concept Spitzoid Melanoma and Other Melanoma Variants Targeted Therapy of Melanoma: Kinases, Inhibitors and Molecular Correlates of Response Tumor-infiltrating Lymphocytes in Melanoma Prognosis and Therapy, The Role of Vascular Invasion in Primary Melanoma vs Extravascular Migratory Metastasis: Mechanisms and Morphology Merkel Cell MCV and Cancer Merkel Cell Carcinoma, New Insights in Vascular Tumors Atypical Post-radiation Vascular Lesion Dabska's Tumor (Papillary Intralymphatic Angioendothelioma (PILA)) Kaposiform Hemangioendothelioma (KHE) with Atypical Features Radiation Associated Atypical Vascular Lesion (AVL) Soft Tissue Tumors with Vascular Differentiation Sporadic Cutaneous Angiosarcoma, High Risk for Aggressive Behavior Symplastic Haemangioma Vascular Proliferations, An Algorithmic Approach to the Diagnosis of Vascular Proliferations, An Algorithmic Approach to the Diagnosis of Non-Neoplastic Dermatitis Allergic Contact Dermatitis Atypical Lymphoid Infiltrate with CD30+ Cells and Evolution to Granulomatous Dermatitis at the Site of Zoster Reactivation Chronic Actinic Dermatitis Erythema Multiforme Interface Dermatitis Interface Dermatitis Of Collagen Vascular Disease - Dermatomyositis Interface Dermatitis Of Collagen Vascular Disease - Systemic Lupus Erythematosus Jessner's Lymphcytic Infiltrate Neutrophilic and Granulomatous Dermatitis Associated with Rheumatoid Arthritis Perivascular Dermatitis and Lichenoid Dermatitis (Short Course) Pityriasis Rosea Pityriasis Rubra Pilaris Polymorphous Light Eruption Psoriasiform Dermatitis (Short Course) Psoriasis Pyoderma Gangrenosum Pyoderma Gangrenosum in a Patient with Hepatitis C Sweet's Syndrome Granulomatous Dermatitis Granuloma Annulare Granulomatous Dermatitis (Short Course) Histiocytoid Sweet's Syndrome Interstitial Granulomatous Dermatitis (IGD) with Sero-Negative Necrobiosis Lipoidica Necrobiotic Xanthogranuloma Necrobiotic Xanthogranuloma Necrobiotic Xanthogranuloma with Paraproteinemia Necrotizing Granulomatous Dermatitis and Panniculitis Associated with Inflammatory Bowel Disease Neutrophilic and Granulomatous Dermatitis Associated with Rheumatoid Arthritis Non-infectious Granulomas Infectious Anthrax CMV Associated Microscopic Polyarteritis Nodosa with Skin, Kidney and Lung Involvement Cutaneous Leishmaniasis Folliculosebaceous Units by Herpes, Exclusive Involvement of : A Reflection of Early Herpes Zoster Herpetic Panniculitis Mycobacterium, not Tuberculosis Subcutaneous Basidiobolomycosis (subcutaneous phycomycosis) Life-threatening Dermatosis Calciphylaxis Cutaneous Manifestations of Systemic Diseases (Short Course) Necrobiotic Xanthogranuloma Necrobiotic Xanthogranuloma Necrobiotic Xanthogranuloma Necrobiotic Xanthogranuloma with Paraproteinemia Necrolytic Migratory Erythema Toxic Epidermal Necrolysis/Stevens Johnson Overlap Syndrome Triggered by Exotic Wood Exposure Miscellaneous Acute Graft-versus-Host Disease Acute Infectious Mononucleosis with a Reactive Florid CD8 Lymphocytosis Cutaneous Effects (MDACC), New Adjuvant Therapies: Decomposition, The Pathology of Elastic Tissue Changes Consistent with Elastosis Perforans Serpiginosa Due to Penicillamine Therapy Kikuchi-Fujimoto Disease in the Setting of Systemic Lupus Erythematosus Oral Manifestations of Dermatologic Disease Panniculitis Eosinophilic Panniculitis Secondary to Intravenously Administered Antibiotic Therapy Erythema Induratum Erythema Nodosum Inflammatory Morphea Profunda Localized (Tumefactive) Lipedema Lupus Profundus Lupus Profundus Mimicking Panniculitis T-cell Lymphoma Necrotizing Granulomatous Dermatitis and Panniculitis Associated with Inflammatory Bowel Disease Panniculitis Sclerosing Disorders Morphea Neprogenic Fibrosing Dermopathy Vasculitis Churg-Strauss-Like Syndrome Related to Montelukast Therapy CMV Associated Microscopic Polyarteritis Nodosa with Skin, Kidney and Lung Involvement Vessiculobullous Acute Generalized Exanthematous Pustulosis Secondary to Vancomycin Therapy IPEX Syndrome and Pemphigoid Nodularis Linear IgA Bullous Dermatosis Due to Vancomycin Therapy Porphyria Cutanea Tarda (PCT) Vesicular Skin Diseases