INTERNATIONAL JOURNAL OF SURGICAL PATHOLOGY

Clear Cell Variant of a Follicular Thyroid Tumor With Uncertain Malignant Potential: A Case Report

Thyroid-Like Follicular Carcinoma of the Kidney With Extensive Sarcomatoid Differentiation: A Case Report and Review of the Literature

IgG4-Related Appendiceal Disease: A First Case Report Fulfilling All Pathological Diagnostic Criteria and With Concomitant S100-Positive Dendritic/Schwann Cell Hyperplasia

Immunophenotypic Comparison of Neoplasms of the Appendix, Right Colon, and Left Colon in Search of a Site-Specific Phenotypic Signature

ACTG2-Associated Visceral Myopathy With Chronic Intestinal Pseudoobstruction, Intestinal Malrotation, Hypertrophic Pyloric Stenosis, Choledochal Cyst, and a Novel Missense Mutation

Renal Cell Carcinoma With Hemangioma-Like Features: Diagnostic Implications and Review of the Literature

Differential Vascularity in Genetic and Nonhereditary Heterotopic Ossification

Perivascular Epithelioid Cell Tumor of the Urinary Bladder: A Systematic Review

Histopathological and Clinical Differences Between Primary Breast Carcinomas With Neuroendocrine Features and Primary Breast Carcinomas Mimicking Neuroendocrine Features

A Comparison of Hysterectomies for Bleeding With Hysterectomies for Pain

Intratubular Teratoma: A Rare Form of Testicular Germ Cell Neoplasia

Collagenous Spherulosis in Well-Differentiated Papillary Mesothelioma in a Female With Multilocular Peritoneal Inclusion Cysts

Undifferentiated Sarcoma as Intermediate Step in Rhabdomyosarcomatous Transformation of a Metastatic Malignant Melanoma Resistant to Anti-BRAF Therapy: A Phenomenon Associated With Significant Diagnostic and Therapeutic Pitfalls

Atypical Lipomatous Tumor/Well-Differentiated Liposarcoma With Features Mimicking Spindle Cell Lipoma

Malignant Solitary Fibrous Tumor of the Renal Vein Presenting as a Giant Renal Artery Aneurysm: A Case Report and Review of Literature

Be Aware of a Potential Pitfall in Oral and Dental Specimens: Alvogyl Fibers

A Case of Pseudomelanosis Duodeni: Striking Endoscopic Features With Subtle but Characteristic Pathologic Findings

Lymphocytic Esophagitis: Inflammatory Pattern of Candida Esophagitis in a Patient With Ulcerative Colitis

Concurrent Adult-Onset Diffuse β-Cell Nesidioblastosis and Pancreatic Neuroendocrine Tumor: A Case Report and Review of the Literature

Adenocarcinoma With Osseous Metaplasia: Is It Bad to the Bone?

Pitfalls of Frozen Section in Gynecological Pathology: A Rare Case of Ovarian Lymphoma in an HIV-Positive Woman Resembling Dysgerminoma on Frozen Section

Microglandular Adenosis: A Possible Non-Obligate Precursor to Breast Carcinoma With Potential to Either Luminal-Type or Basal-Type Differentiation

Undifferentiated Pleomorphic Sarcoma With Emperipolesis

Giant Cell Poor Extra-Articular Diffuse-Type Tenosynovial Giant Cell Tumor With Extensive Desmin Expression: A Potential Diagnostic Pitfall With Cytogenetic Confirmation

Solid Cell Nests of the Thyroid Gland With Cartilaginous Differentiation: An Exceptionally Rare Morphological Phenomenon

Bronchoalveolar Lavage Findings in a Pediatric Patient With Primary Pulmonary Alveolar Proteinosis

Primary Cutaneous Adenomyoepithelioma Ex Spiradenoma With Malignant Histologic Features, Epithelial-Myoepithelial Carcinoma Type: A First Case Report With Molecular Studies

A Low-Grade Myxoid Liposarcoma Arising in a Deep-Seated Conventional Lipoma

A Breast Mouse or a Harebrained Fantasy?

Deceptive Giant Dedifferentiated Liposarcoma of the Esophagus: An Extremely Rare Surgical Case

Epstein-Barr Virus–Associated Nodal Marginal Zone Lymphoma: Part of the Spectrum of Posttransplant Lymphoproliferative Disorder?

Classical Hodgkin Lymphoma With Aberrant CD8 Expression: A Clinicopathologic Study of Five Cases

The Sick Breast Lobe Has a Testicular Counterpart

Primary Esophageal Mixed Sarcomatoid and Small Cell Neuroendocrine Carcinoma With Brain Metastasis: A Challenging Diagnosis on Biopsy

Synchronous Oncocytic Papillary Cystadenoma and Warthin Tumor of the Parotid Gland

Intranasal Rhinofacial Conidiobolomycosis (Entomophthoromycosis) With Splendore-Hoeppli Phenomenon

Concomitant Gouty and Tuberculous Granulomatous Arthritis

Mucoepidermoid Carcinoma of the Gallbladder: A Case-Based Study of an Extremely Rare Tumor Highlighting the Role of Immunohistochemical Profiling

Sertoli Cell Tumor With Ossification and Adipose Tissue Differentiation

Parasitic Microcalcifications of the Breast

Invasive Lobular Carcinoma With Extensive Clear Cells: A Pitfall in Diagnosis

SATB2 and Hep Par 1 Immunohistochemistry Is Helpful in Distinguishing Between Inflamed and Architecturally Altered Ileal Pouch and Rectal Cuff Mucosa

Periocular Sebaceous Carcinoma With Apocrine Differentiation: A Case Report and Review of the Literature

Calcified Amorphous Tumor of the Heart: Comparison of Ultrasound With Histology

Focused Submission of Tissue for Radical Prostatectomy Following Multiparametric Magnetic Resonance Imaging/Ultrasound Fusion-Targeted Biopsy

Evanescence of Endometrial Carcinomas in Hysterectomy Specimens: Observations on the “Vanishing Cancer” Phenomenon

A Case of Clear Cell Papillary Renal Cell Carcinoma With Prominent Glycogen-Containing Intranuclear Inclusions