1. Oropharyngeal Squamous Cell Carcinoma Morphology and Subtypes by Human Papillomavirus Type and by 16 Lineages and Sublineages

   • James S. Lewis Jr.
   • Lisa Mirabello
   • Krystle A. Lang-Kuhs

   Original Paper 02 April 2021 Pages: 1089 - 1098

   

2. Clinicopathologic Characteristics of Young Patients with Oral Squamous Cell Carcinoma

   • Wadad S. Mneimneh
   • Bin Xu
   • Nora Katabi

   Original Paper 02 April 2021 Pages: 1099 - 1108

   

3. RB1, p16, and Human Papillomavirus in Oropharyngeal Squamous Cell Carcinoma

   • Jérémie Berdugo
   • Lisa M. Rooper
   • Simion I. Chiosea

   Original Paper 08 April 2021 Pages: 1109 - 1118

   

4. Immunohistochemical Expression of Fatty Acid Synthase (FASN) is Correlated to Tumor Aggressiveness and Cellular Differentiation in Salivary Gland Carcinomas

   • Camila Matsunaga de Angelis
   • Reydson Alcides de Lima-Souza
   • Fernanda Viviane Mariano

   Original Paper 11 April 2021 Pages: 1119 - 1126

   

5. Differential Expression of Potential Biomarkers of Oral Squamous Cell Carcinoma Development

   • Paola Fernandes Pansini
   • Isabella Bittencourt do Valle
   • Sandra Ventorin von Zeidler

   Original Paper 11 April 2021 Pages: 1127 - 1136

   

6. Papillary and Medullary Thyroid Carcinomas Presenting as Collision Tumors: A Case Series of 21 Cases at a Tertiary Care Cancer Center

   • Ann Thomas
   • Neha Mittal
   • Richa Vaish

   Original Paper 11 April 2021 Pages: 1137 - 1146

   

7. Trophoblast Cell Surface Antigen 2 (Trop-2) Protein is Highly Expressed in Salivary Gland Carcinomas and Represents a Potential Therapeutic Target

   • Philipp Wolber
   • Lisa Nachtsheim
   • Christoph Arolt

   Original Research Open access 22 April 2021 Pages: 1147 - 1155

   

8. Evaluation of Histopathological Risk Model in a Cohort of Oral Squamous Cell Carcinoma Patients Treated with Accompanying Neck Dissection

   • N. Rahman
   • B. Conn

   Original Paper Open access 22 April 2021 Pages: 1156 - 1161

   

9. Epstein-Barr Virus-Associated Smooth Muscle Tumors of Larynx: A Clinicopathologic Study and Comprehensive Literature Review of 12 Cases

   • Rumeal D. Whaley
   • Lester D. R. Thompson

   Original Paper 23 April 2021 Pages: 1162 - 1171

   

10. Histopathologic Spectrum of Intraoral Irritant and Contact Hypersensitivity Reactions: A Series of 12 cases

    • Diana Wang
    • Sook-Bin Woo

    Original Paper 26 April 2021 Pages: 1172 - 1184

    

11. SSTR2 Expression in Olfactory Neuroblastoma: Clinical and Therapeutic Implications

    • Vincent Cracolici
    • Eric W. Wang
    • Raja R. Seethala

    Original Paper 30 April 2021 Pages: 1185 - 1191

    

12. Microsecretory Adenocarcinoma of Salivary Glands: An Expanded Series of 24 Cases

    • Justin A. Bishop
    • Dipti P. Sajed
    • Lisa M. Rooper

    Original Paper 12 May 2021 Pages: 1192 - 1201

    

13. Ameloblastic Fibro-Odontoma: At the Crossroad Between "Developing Odontoma" and True Odontogenic Tumour

    • Merva Soluk-Tekkesin
    • Marilena Vered

    Original Paper 15 May 2021 Pages: 1202 - 1211

    

14. Middle Ear and Temporal Bone Papilloma: A Clinicopathologic Study and Comprehensive Literature Review of 57 Cases

    • Lester D. R. Thompson

    Original Paper 21 May 2021 Pages: 1212 - 1220

    

15. Low Grade Papillary Sinonasal (Schneiderian) Carcinoma: A Series of Five Cases of a Unique Malignant Neoplasm with Comparison to Inverted Papilloma and Conventional Nonkeratinizing Squamous Cell Carcinoma

    • Mario W. Saab-Chalhoub
    • Xingyi Guo
    • James S. Lewis Jr.

    Original Paper 26 May 2021 Pages: 1221 - 1234

    

16. Gingival Leukoplakia: Hyperkeratosis with Epithelial Atrophy Is A Frequent Histopathologic Finding

    • Lama Alabdulaaly
    • Asma Almazyad
    • Sook-Bin Woo

    Original Paper 31 May 2021 Pages: 1235 - 1245

    

17. INI1-Deficient Thyroid Carcinoma is an Aggressive Disease with Epithelioid and Rhabdoid Phenotype. A Case Report, Survey of INI1 Expression in Thyroid Lesions and Literature Review

    • Zhonghua Liu
    • Mukund Seshadri
    • Mihai Merzianu

    Original Paper 31 May 2021 Pages: 1246 - 1252

    

18. Oral Adult Rhabdomyoma

    • Augusto César Leal da Silva Leonel
    • Stefanny Torres dos Santos
    • Danyel Elias da Cruz Perez

    Sine qua non Clinicopathologic Correlat 10 August 2021 Pages: 1253 - 1260

    

19. Sine Qua Non: Dentigerous Cyst

    • Ryan P. Austin
    • Brenda L. Nelson

    Sine qua non Radiology-Pathology 21 April 2021 Pages: 1261 - 1264

    

20. Comparative Analysis Between Dentinogenic Ghost Cell Tumor and Ghost Cell Odontogenic Carcinoma: A Systematic Review

    • Gustavo de Souza Vieira
    • Pâmella de Pinho Montovani
    • Danielle Castex Conde

    Review 14 June 2021 Pages: 1265 - 1283

    

21. A Poorly Differentiated Non-keratinizing Sinonasal Squamous Cell Carcinoma with a Novel ETV6-TNFRSF8 Fusion Gene

    • Justin Bubola
    • Christina M. MacMillan
    • Brendan C. Dickson

    Case Reports 04 January 2021 Pages: 1284 - 1288

    

22. Primary Pituitary Adenoid Cystic Carcinoma: A Rare Salivary Gland-Like Tumor in the Sella

    • Kiyohiko Sakata
    • Takeharu Ono
    • Motohiro Morioka

    Case Reports 04 January 2021 Pages: 1289 - 1298

    

23. Spindle Cell Lipoma Arising from the Supraglottis: A Case Report and Review of the Literature

    • Shaghauyegh S. Azar
    • Floyd Buen
    • Elliot Abemayor

    Case Reports 04 January 2021 Pages: 1299 - 1302

    

24. Alveolar Soft Part Sarcoma of the Oro-Maxillofacial Region in the Pediatric Age Group: Immunohistochemical and Ultrastructural Diagnosis of Two Cases

    • Rimlee Dutta
    • Aanchal Kakkar
    • Mehar C. Sharma

    Case Reports 04 January 2021 Pages: 1303 - 1307

    

25. Carcinoma Cuniculatum of the Larynx

    • Dario Marcotullio
    • Federica Zoccali
    • Alessandro Corsi

    Case Reports 04 January 2021 Pages: 1308 - 1312

    

26. Carcinoma Cuniculatum of Mandible Masquerading as Odontogenic Keratocyst: Challenges in the Histopathological Diagnosis

    • Mahija Janardhanan
    • S. Rakesh
    • Mridula Mohan

    Case Reports 04 January 2021 Pages: 1313 - 1321

    

27. Not All Küttner Tumors Are IgG4-Related Disease (IgG4-RD)

    • Kathryn S. Marcus
    • Henry T. Hoffman
    • Anand Rajan KD

    Case Reports 04 January 2021 Pages: 1322 - 1327

    

28. Epithelioid Sarcoma of the External Auditory Canal: An Uncommon Tumor at an Unusual Site and a Brief Overview of the Literature

    • Bingcheng Wu
    • Joshua Kai Xun Tay
    • Fredrik Petersson

    Case Reports 04 January 2021 Pages: 1328 - 1334

    

29. Combined Modality Management of Sinonasal Anaplastic Lymphoma Kinase Negative Anaplastic Large Cell Lymphoma in a Geriatric Patient-Report of a Rare Case

    • Ahitagni Biswas
    • Sorun Shishak
    • Aanchal Kakkar

    Case Reports 04 January 2021 Pages: 1335 - 1344

    

30. Myoepithelial Carcinoma Ex Pleomorphic Adenoma of the Maxillary Sinus: A Case Report and Review of Literature

    • Giovacchini Francesco
    • Caselli Emanuele
    • Tullio Antonio

    Case Reports 04 January 2021 Pages: 1345 - 1349

    

31. Round Cell Sarcoma with EWSR1-PATZ1 Fusion in the Face of a Five-Year-Old Boy: Report of a Case with Unusual Histologic Features

    • Derek Tsz Wai Yau
    • Shun Wong
    • Ka Fai To

    Case Reports 18 January 2021 Pages: 1350 - 1358

    

32. Low-Grade Intraductal Carcinoma of the Parotid Gland: A Case Report and Literature Review

    • Daniela Russo
    • Rosa Maria Di Crescenzo
    • Francesco Merolla

    Case Reports 27 January 2021 Pages: 1359 - 1371

    

33. Maxillary Sinus Myxofibrosarcoma Mimicking Nodular Fasciitis: A Rare Case Report

    • Bahar Afroozi
    • Fatemeh Akbarizadeh
    • Hossein Danesteh

    Case Reports 05 February 2021 Pages: 1372 - 1376

    

34. Primary Large Cell Neuroendocrine Carcinoma of the Parotid Gland. Report of a Rare Case

    • Konstantinos I. Tosios
    • Vasileios Papanikolaou
    • Nikolaos Goutas

    Case Reports 05 February 2021 Pages: 1377 - 1384

    

35. Co-expression of Myoepithelial and Melanocytic Features in Carcinoma Ex Pleomorphic Adenoma

    • Costantino Ricci
    • Federico Chiarucci
    • Maria Pia Foschini

    Case Reports Open access 16 February 2021 Pages: 1385 - 1390

    

36. Clear Cell Odontogenic Carcinoma: First Report of Novel EWSR1–CREM Fusion Gene in Case of Long-Term Misdiagnosis

    • Omar Breik
    • James Higginson
    • Rasoul Amel-Kashipaz

    Case Reports 22 February 2021 Pages: 1391 - 1398

    

37. Myeloid Neoplasm with PDGFRA Rearrangement Manifesting as a Retromolar Pad Mass

    • Amy S. Duffield
    • Jonathan Webster
    • Alisha D. Ware

    Case Reports 22 February 2021 Pages: 1399 - 1403

    

38. A Bronchogenic Cyst Masquerading as a Tongue Mass

    • Zahra Aldawood
    • David J. Moyer
    • Sook-Bin Woo

    Case Reports 27 February 2021 Pages: 1404 - 1408

    

39. Sinonasal NUT Carcinoma: Delayed Diagnosis Due to the COVID-19 Pandemic and a Review of the Literature

    • Francesco Maria Crocetta
    • Cecilia Botti
    • Angelo Ghidini

    Case Reports 08 March 2021 Pages: 1409 - 1414

    

40. Oropharyngeal Mixed Neuroendocrine-Nonneuroendocrine Neoplasm (MiNEN): A Case Report and Literature Review

    • Liam Robinson
    • Ciska-Mari Schouwstra
    • Willie F. P. van Heerden

    Case Reports 11 March 2021 Pages: 1415 - 1420

    

41. Kaposiform Hemangioendothelioma of the Oral Cavity: A Rare Tumor with an Unusual Location

    • Thayná M. de Lima Morais
    • Celeste Sánchez-Romero
    • Sibele Nascimento de Aquino

    Case Reports 13 March 2021 Pages: 1421 - 1425

    

42. Primary Alveolar Soft Part Sarcoma of Cheek: Report of a Case and Review of the Literature

    • Katsutoshi Hirose
    • Kohei Naniwa
    • Satoru Toyosawa

    Case Reports 11 April 2021 Pages: 1426 - 1431