Correlation of Reflectance Confocal Microscopy and Dermatopathology Findings in a Case of Acrodermatitis Chronica Atrophicans
Mammary Analog Secretory Carcinoma With ETV6 Rearrangement Arising in the Conjunctiva and Eyelid
Epidermal Calcinosis : A New Pattern
Granulomatous Tumoral Melanosis Associated With Pembrolizumab Therapy : A Mimicker of Disease Progression in Metastatic Melanoma
Exophytic Mass Arising Within Hidradenitis Suppurativa
Sebaceous Neoplasms With Rippled, Labyrinthine/Sinusoidal, Petaloid, and Carcinoid-Like Patterns : A Study of 57 Cases Validating Their Occurrence as a Morphological Spectrum and Showing No Significant Association With Muir–Torre Syndrome or DNA Mismatch Repair Protein Deficiency
Langerhans Cell Histiocytosis Associated With Underlying Hematolymphoid Disorders in Adults : Report of 2 Cases and Review of the Literature
Clinico-Pathological Study of 4 Cases of Pseudoherpetic Grover Disease : The Same as Vesicular Grover Disease
A Case of ALK+ Anaplastic Large-Cell Lymphoma With Aberrant Myeloperoxidase Expression and Initial Cutaneous Presentation
Cutaneous Involvement in a High Grade B-Cell Lymphoma With Rearrangement of MYC, BCL2, and BCL6 Transformed From Follicular Lymphoma
Intradermal Proliferative Fasciitis Occurring With Chondrodermatitis Nodularis Helicis
Intertriginous and Seborrheic Dermatitis-Like Lesions in an Endocrine Patient
Blistering and Skin Fragility Due to Imatinib Therapy : Loss of Laminin and Collagen IV as a Possible Cause of Cutaneous Basement Membrane Instability
Relationship Between Pityriasis Lichenoides and Mycosis Fungoides : A Clinicopathological, Immunohistochemical, and Molecular Study
Widespread Erythematous and Bullous Plaques Associated With Nasolabial Fold Ulceration
Florid Granuloma Annulare–Like Reaction in Regional Lymph Nodes After “Regression” of Red Pigment in Tattoos
Persistent Upper Lip Swelling in a Young Woman
The Crown Jewel, an Enigmatic Solitary Mass of Follicular Origin : Challenge
Slowly Enlarging Nodule on the Chest
Cutaneous Collagenous Vasculopathy : A Unique Case With Positive Direct Immunofluorescence Findings
Unusual Case of Combined Gliomeningeal Heterotopia on the Nose of an Infant
Digital Apocrine Hidrocystoma : The Exception Confirms the Rule
Immunohistochemical and Fluorescence In Situ Hybridization Analysis of MYC in a Series of 17 Cutaneous Angiosarcomas : A Single-Center Study
New Histologic Finding of Amyloid Insulin Bodies at an Insulin Injection Site in a Patient With Diabetes
Unilesional Follicular Mycosis Fungoides : Report of 6 Cases and Review of the Literature
Violaceous Pink Axillary and Intertriginous Patches
Cytokeratin Profile of Basal Cell Carcinomas According to the Degree of Sun Exposure and to the Anatomical Localization
Mycosis Fungoides Manifesting as Giant Cell Lichenoid Dermatitis
Cytotoxic CD8+ Granulomatous Cutaneous T-Cell Lymphoma Associated With Human Immunodeficiency Virus Infection : A Diagnostic Challenge
A Morbidly Obese Man With an Enlarging Right Thigh Mass
Eccrine-Centric Melanocytic Nevus
Holocrine Poroma : A Distinctive Adnexal Tumor
Measuring Scholastic Production by Dermatopathologists Using the H-Index : A Cross-Sectional Study
Acquisition of Somatic NRAS Mutations in Central Nervous System Melanocytes : A Predisposing Risk Factor to Primary Melanoma of the Central Nervous System, a Frequently Forgotten Pitfall in Congenital Nevi
Pruritic Linear Eruption in a 53-Year-Old Woman : Challenge
Proliferative Melanocytic Nodule on Small Congenital Nevus During Treatment With Etanercept
Cutaneous Presentation of Mesothelioma With a Sarcomatoid Transformation
Induction of Desmoplastic Trichoepithelioma in a Dermatofibroma
Is Immunohistochemical Screening of Cutaneous Leiomyomas for the Early Detection of Hereditary Leiomyomatosis and Renal Cell Carcinoma Syndrome Justified?
Painful Skin Nodule on the Finger of a 59 Year Old
Annular Scaly Plaque on the Left Foot
Myoepithelial-Rich and Infiltrative Giant Vascular Eccrine Spiradenoma : A Unique Presentation of a Rare Adnexal Tumor
Cold-Induced Dermatoses : Case Report and Review of Literature
Primary Cutaneous CD8+ T-cell Lymphoma, an Indolent and Locally Aggressive Form Mimicking Paronychia
Heterotopic Cutaneous Meningioma : An Unusual Presentation Occurring in a Patient With a Remote History of Intracranial Meningioma
Mixed Lichenoid and Follicular T- and B-Cell Lymphoid Reaction to Red Tattoos With Monoclonal T Cells
Interstitial Granulomatous Variant of Scleromyxedema—A Diagnostic Pitfall
Borrelia Lymphocytoma Mimicking Butterfly Rash in a Pediatric Patient
The RCPA Quality Assurance Program in Dermatopathology : A Retrospective Review
Self-limiting Ibrutinib-Induced Neutrophilic Panniculitis
Pustular Eruption After Cocaine Use
Cutaneous Light Chain Deposition Disease : A Report of 2 Cases and Review of the Literature
Myxoid Cutaneous Epithelioid Angiomatous Nodule
Psammomatous Squamous Cell Carcinoma of the Skin
Nodular Vasculitis in a Patient With Crohn's Disease on Vedolizumab
Verrucous Intertriginous Plaques
A Case of Lymphomatoid Papulosis Type E With an Unusual Exacerbated Clinical Course
Seborrheic Keratosis With Prominent Clear Cell Changes—A Rare but Important Diagnostic Variant
Painless Skin Nodule on the Finger of an 18 Year Old
Progressive Cutaneous Lesions in a Young Girl : Challenge
Spectrum of Hybrid Cysts and Their Clinical Significance
Cutaneous Richter Syndrome Mimicking Primary Cutaneous CD4-Positive Small/Medium T-cell Lymphoma : Case Report and Review of the Literature
Malignant Melanoma With Massive Crust Mimicking a Cutaneous Horn : An Unexpected Finding
Whole Slide Imaging
A Case of Phacomatosis Pigmentokeratotica Associated With Multiple Basal Cell Carcinomas
Th17 Response of Borderline-Lepromatous Leprosy Inhibits Rash Manifestation of Dapsone Hypersensitivity Syndrome : Case Report
Immunophenotype Expression Change From CD52+ to CD52− on Erythrodermic Peripheral T-cell Lymphoma, Not Otherwise Specified After Treatment With Alemtuzumab
Diagnosis of Sarcomatoid Melanoma by Surrogate Immunostains
Multiple Warty Dyskeratomas With Severe Pruritus : A Case Report and Literature Review
Cutaneous Cytomegalovirus Infection in an Immunocompetent Patient : Innocent Bystander or Culprit?
Langerhans Cell Histiocytosis With Clinical and Histologic Features of Hidradenitis Suppurativa : Brief Report and Review
Facial Follicular Cyst and Cicatricial Alopecia : Challenge
Cutaneous Metastases of Melanoma Mimicking Interstitial Granulomatous Processes
Coccidioidomycosis Involving Lungs and Skin : A Mimicker of Metastatic Disease
Perineurial Vascular Hamartoma
Necrotizing Infundibular Crystalline Folliculitis : An Unusual Clinical Presentation and Demonstration of the Presence of Calcium Palmitate
Progressive, Painful Erosions of the Face, Neck, and Lips
Nicolau Syndrome (Embolia Cutis Medicamentosa) : A Rare and Poorly Recognized Iatrogenic Cause of Cutaneous Thrombotic Vasculopathy
The Value of Direct Immunofluorescence on Proteinase-Digested Formalin-Fixed Paraffin-Embedded Skin Biopsies
Reflectance Confocal Microscopy Criteria of Pigmented Squamous Cell Carcinoma In Situ
Congenital Lesion on the Hand of a Child
Elastic Staining in Differentiating Between Follicular Streamers and Follicular Scars in Horizontal Scalp Biopsy Sections
Eruptive Keratoacanthoma-Like Discoid Lupus Erythematosus
Reticulated Purpura in the Abdomen of a Severely Ill Patient
Enhanced Worldwide Dermatology–Pathology Interaction via Facebook, Twitter, and Other Social Media Platforms
Myoepithelioma of Soft Tissue With Both Squamous and Adipocytic Metaplasia
Validation of Digital Pathology for Primary Histopathological Diagnosis of Routine, Inflammatory Dermatopathology Cases
Nutritional Deficiency–Related Oral and Cutaneous Lesions in an Obese Patient
Volar Papulonodules in a Patient With Seronegative Rheumatoid Arthritis
Cutaneous Atypical Neurofibroma : A Case Report and Review of Literature
Primary Cutaneous Small/Medium CD4+ T-CELL Lymphoproliferative Disorder Occurring in a Patient With Metastatic Melanoma
Leukocytoclastic Vasculitis and Dermal Perivascular Hemophagocytosis Associated With Adalimumab Therapy for Rheumatoid Arthritis
Melanocytic Nevus Does Not Metastasize!
A 12-Day-Old Male With a “Skin Tag” on the Chin
Comparative Analysis of Chilblain Lupus Erythematosus and Idiopathic Perniosis : Histopathologic Features and Immunohistochemistry for CD123 and CD30
Papulonodular Eruption on the Hands in a Patient With Arthritis
Onychomatricoma in a Patient With Extensive Vitiligo
Immunohistochemical Demonstration of Parvovirus B19 Viral Protein 2 in Periflexural Exanthema in an Adult, Supporting Antibody-Dependent Enhancement as Means of Endothelial Uptake of the Virus
Retiform Purpura After Transcatheter Arterial Chemoembolization : A Case Report
Exenatide-Induced Panniculitis : Utility of the Acid-Fast Stain to Identify Injected Microspheres
Comparative Study of Shrinkage in Human Skin, Artificial Human Skin, and Mouse Skin
Eruptive Multifocal Cutaneous Mucinous Cysts
Reappraisal of the Confusing Concept “Trichogerminoma” and the Ill-Defined Finding “Cell Balls” : Clinicopathologic Analysis of 6 Cases of Trichogerminoma and Comparison With 2 Cases of Basal Cell Carcinoma With Cell Ball–Like Features
Utility of Skin Biopsy in a Case of Progressive Myoclonic Epilepsy
Melanocytes Pattern in the Normal Nail, With Special Reference to Nail Bed Melanocytes
Osteoclast-Like Giant Cells in Malignant Melanoma : Unintentional Accident or Strategic Recruitment?
Multiple Targetoid Plaques
Fatty Acid Synthase and Acetyl-CoA Carboxylase Are Expressed in Nodal Metastatic Melanoma But Not in Benign Intracapsular Nodal Nevi
A Young Woman With an Erythematous Rash, Fever, Tachycardia, and Pancytopenia
The Histopathological Spectrum of Pseudolymphomatous Infiltrates in Cutaneous Lupus Erythematosus
Resident Education in Molecular and Genetic Testing in Dermatology : An Opportunity Not to Be Missed
Phosphohistone-H3 and Ki67
Plaque-Like Pilar Sheath Acanthoma : Histopathologic and Immunohistochemical Study of 3 Unusual Cases
Lymph Node Metastasis With Both Components of Combined Cutaneous Squamous Cell Carcinoma/Merkel Cell (Neuroendocrine) Carcinoma
Tuberculosis of Lip—An Unusual Presentation
Specific Skin Lesions of Sarcoidosis Located at Venipuncture Points for Blood Sample Collection
Utility of Skin Biopsy in a Case of Progressive Myoclonic Epilepsy
Educational Gaps in Molecular Diagnostics, Genomics, and Personalized Medicine in Dermatopathology Training : A Survey of US Dermatopathology Fellowship Program Directors
A Not So Benign Papular Eruption
Primary Cutaneous Leiomyosarcoma Arising in a Patient With Li-Fraumeni Syndrome. A Neoplasm With Unusual Histopathologic Features and Loss of Heterozygosity at TP53 Gene
Psoriasiform, Hyperpigmented Plaques of the Palms and Soles
Generalized Dyschromia and Erythematous Papules in a 66-Year-Old Man
Cutaneous Plasmacytosis : A Clinicopathologic Study of a Series of Cases and Their Treatment Outcomes
A New, Firm, Solitary Nodule in a Patient With HIV/AIDS—Question
Recurrent Cutaneous Angiosarcoma of the Scalp With Aberrant Expression of S100 : A Case Report
Unusual Case of Dactylitis With Nail Unit Involvement
Hailey–Hailey Disease With Coexistent Herpes Virus Infection : Insights Into the Diagnostic Conundrum of Herpetic/Pseudoherpetic Features in Cutaneous Acantholytic Disorders
Genomic Assessment of Blitz Nevi Suggests Classification as a Subset of Blue Nevus Rather Than Spitz Nevus : Clinical, Histopathologic, and Molecular Analysis of 18 Cases
Pruritic Annular Eruption
Expression of Elafin in Dermatitis Herpetiformis
Epidermolysis Bullosa Acquisita (Brunsting-Perry Pemphigoid Variant) Localized to the Face and Diagnosed With Antigen Identification Using Skin Deficient in Type VII Collagen
Painful Pustules on Hands and Feet With Acute Hepatitis
Cutaneous Presentation of a Testicular Germ Cell Tumor With Seminomatous Differentiation
Hydroa Vacciniforme–Like Lymphoma in Tibetan Children : 2 Cases and a Literature Review
Foreign Body Type Nasal Pseudocyst After Augmentation Rhinoplasty
Multiple Tumors on the Extremities
A 75-Year-Old Man With Progressive Generalized Erythroderma and History of Anaplastic Large Cell Lymphoma
Granulomatous Reaction After Complete Resolution of Primary Varicella
CD4 and CD30 Coexpression in a Cutaneous Manifestation of Systemic Mastocytosis—A Pitfall
Collagenoma in a Patient With Down Syndrome : A Case Report and Review of the Literature
Spitz Nevus Intermingling With Hemangioma, Angiomatoid Spitz Nevus, Angiotropism, and Vascular Co-option Viewed With Differing Availability Heuristics
An Indurated Plaque in a Toddler
An Indurated Plaque in a Toddler
Myxoid Spitz Nevi : Report of 6 Cases
Erythematous Bullous Patch in a Patient With Myelodysplastic Syndrome
A 56-Year-Old Woman With Multiple Subcutaneous Painful Nodules in the Absence of Renal Disease
A 56-Year-Old Woman With Multiple Subcutaneous Painful Nodules in the Absence of Renal Disease
A 32-Year-Old Woman With Tender Nodules That Ulcerate
Winkelmann Granuloma
Efficacy of Triaging Direct Immunofluorescence in Intraepidermal Bullous Dermatoses
A 32-Year-Old Woman With Tender Nodules That Ulcerate
A Diffuse, Progressive, Bluish Pigmentation of the Trunk in a White Woman
A Diffuse Progressive Bluish Pigmentation of the Trunk in a White Woman
Erythematous Bullous Patch in a Patient With Myelodysplastic Syndrome
Utility of Examining Deeper Levels and/or Special Stains
Histomorphology and Immunophenotype of Eczematous Skin Lesions Revisited—Skin Biopsies Are Not Reliable in Differentiating Allergic Contact Dermatitis, Irritant Contact Dermatitis, and Atopic Dermatitis
Pruriginous Lesions in a Young Girl
Painful Pustules on Hands and Feet With Acute Hepatitis
Ibrutinib-Induced Neutrophilic Dermatosis
Painful Firm Plaque on the Midback of a 53-Year-Old Woman
Erythematous Nodule on the Face of a Child : Challenge
Hydroa Vacciniforme-Like Cutaneous T-Cell Lymphoma in an Adult Presenting With Facial Edema and Recurrent Oral Ulceration
Subcutaneous Histiocytoid Sweet Syndrome in a Patient With Relapsed Acute Myeloblastic Leukemia
Bilateral and Symmetrical Linear Plaques on the Hands
Nonhealing Ulcerations of the Breast
Nonhealing Ulcerations of the Breast : Challenge
Melanoma Manifesting as Tumoral Melanosis; Now You See It, Now You Don't
Nonhealing Ulcerated Nodules in a Sporotrichoid Pattern After Recent Travel
Nonhealing Ulcerated Nodules in a Sporotrichoid Pattern Following Recent Travel
Hydroa Vacciniforme–Like T-Cell Lymphoma : A Further Brazilian Case
Benign Atrophic Papulosis (Degos Disease) With Lymphocytic Vasculitis and Lichen Sclerosus-Like Features
Role of Skin Biopsies in the Diagnosis of Hemophagocytic Lymphohistiocytosis
Isolated Ectopic Cutaneous Atypical Meningioma of the Scalp
Germinotropic Onychocytic Matricoma
Commentary to the Article “A Rare Collision in Dermatopathology : Basal Cell Carcinoma and Atypical Fibroxanthoma”
Sarcoidosis Presenting as Frontal Fibrosing Alopecia : A Master Mimicker or a Coincidental Finding?
The So-Called Aggressive Digital Papillary Adenocarcinoma Is Epithelial–Myoepithelial Carcinoma
A Case of Cutaneous Focal Mucinosis With Follicular Induction
Generalized Indeterminate Cell Histiocytosis Presenting as Eroded Papules and Crusts
Eccrine Syringofibroadenoma in Association With Acquired Epidermodysplasia Verruciformis
Zosteriform Mycosis Fungoides : A New Clinical Presentation With a Dermatomal Distribution
Malignant Melanoma in Association With a Thymic Nevus in a Patient With a Giant Congenital Nevus
Histopathological and Clinical Findings in Cutaneous Manifestation of Erdheim–Chester Disease and Langerhans Cell Histiocytosis Overlap Syndrome Associated With the BRAFV600E Mutation
Thickening of the Arms and Legs
Multiple Scattered Purpuric Vesicles : A Challenge
CD30 Positive Lymphomatoid Angiocentric Drug Reactions
Osteogenic Melanoma With Desmin Expression
Xanthelasma Palpebrarum after Artecoll (polymethylmethacrylate collagen) Injections to the Bilateral Tear Troughs
No Definitive Evidence (to Date) of Helicobacter pylori on the Skin