All Stories

  1. Primary hepatic pleomorphic liposarcoma: Case report and literature review

    Article • Revista Española de Patología, April 2024, Elsevier

    Dr Nelson Montalvo

  2. Case Report: Desmoid fibromatosis in the mediastinum of a 6-month-old toddler, what to do?

    Article • Frontiers in Surgery, January 2023, Frontiers

    Dr Nelson Montalvo

  3. Melanocytic nevus of the anal canal and granular cell tumor of the cecum: a case report and literature review of 2 coincidentally co-occurring neurocristopathies

    Article • Annals of Coloproctology, January 2023, Korean Society of Coloproctology (KAMJE)

    Dr Nelson Montalvo

  4. Oesophageal squamous papilloma in paediatric population: a single-centre case series

    Article • BMJ Paediatrics Open, January 2023, BMJ

    Dr Nelson Montalvo

  5. Primary cutaneous diffuse large B-Cell lymphoma, leg type mimicking subcutaneous panniculitis-like T-cell lymphoma in a COVID-19 setting: case report and review of literature

    Article • Dermatology Online Journal, March 2022, California Digital Library (CDL)

    Dr Nelson Montalvo

  6. Adenocarcinoma endometrioide, variante villoglandular: reporte de caso clínico

    Article • Metro Ciencia, December 2021, Hospital Metropolitano

    Dr Nelson Montalvo

  7. Primary splenic histiocytic sarcoma associated with hemophagocytic lymphohistiocytosis: A case report and review of literature of next‐generation sequencing involving FLT3, NOTCH2, and KMT2A

    Article • Cancer Reports, July 2021, Wiley

    Dr Nelson Montalvo

  8. Osteocondromatosis sinovial de hombro. Una enfermedad poco frecuente

    Article • Metro Ciencia, September 2020, Hospital Metropolitano

    Dr Nelson Montalvo

  9. Cutaneous Myoepithelioma: An Unusual Tumor in the Hand

    Article • Case Reports in Pathology, June 2020, Hindawi Publishing Corporation

    Dr Nelson Montalvo

  10. Mesonephric adenocarcinoma of the cervix: a case report with a three-year follow-up, lung metastases, and next-generation sequencing analysis

    Article • Diagnostic Pathology, July 2019, Springer Science + Business Media

    Dr Nelson Montalvo

  11. Immunophenotypic characteristics of diffuse large b-cell lymphoma and expression of C-MYC protein: single Ecuadorian center experience

    Article • Revista Colombiana de Cancerología, June 2019, Instituto Nacional de Cancerologia

    Dr Nelson Montalvo

  12. Secretory Carcinoma of the Parotid: Making the Correct Diagnosis of a Rare Salivary Gland Carcinoma When Molecular Biology Testing Is Not Available

    Article • Case Reports in Pathology, March 2019, Hindawi Publishing Corporation

    Dr Nelson Montalvo

  13. Vulvar Myxoid Liposarcoma, an Extremely Rare Diagnosis

    Article • International Journal of Gynecological Pathology, October 2017, Wolters Kluwer Health

    Dr Nelson Montalvo

  14. Heterotopic sebaceous glands in the esophagus, a very rare histopathological diagnosis: a case report and review of the literature

    Article • Clinical Case Reports, December 2016, Wiley

    Dr Nelson Montalvo

  15. Secretory Carcinoma in a 79- Year-Old Woman: An Exceptionally Rare Type of Breast Carcinoma

    Article • Rare Tumors, November 2016, SAGE Publications

    Dr Nelson Montalvo

  16. Hydroa Vacciniforme-Like EBV-Positive Cutaneous T-Cell Lymphoma, First Report of 2 Cases in Ecuador

    Article • American Journal of Dermatopathology, May 2016, Wolters Kluwer Health

    Dr Nelson Montalvo

  17. Keratoacanthoma of the tongue, a very unusual histopathology diagnosis with immunohistochemical analysis: A case report

    Article • Journal of Oral and Maxillofacial Surgery Medicine and Pathology, January 2016, Elsevier

    Dr Nelson Montalvo

  18. Mediastinal Myxoid Liposarcoma with Intrapericardial Involvement and Large Pericardial Effusion

    Article • The Heart Surgery Forum, October 2015, Carden Jennings Publishing Co.

    Dr Nelson Montalvo

  19. Incomplete duplication of a lower extremity (polymelia): a case report

    Article • Journal of Medical Case Reports, June 2014, Springer Science + Business Media

    Dr Nelson Montalvo

  20. Unusual histopathological diagnosis of prostatic blue nevus: a case report

    Article • Journal of Medical Case Reports, December 2013, Springer Science + Business Media

    Dr Nelson Montalvo

  21. Traditional serrated adenoma of the sigmoid colon with osseous metaplasia: a case report

    Article • Journal of Medical Case Reports, May 2012, Springer Science + Business Media

    Dr Nelson Montalvo

  22. Pulmonary Myofibroblastic Pseudotumor: A Rare Surgical Pathology

    Article • The Thoracic and Cardiovascular Surgeon, September 2006, Thieme Publishing Group

    Dr Nelson Montalvo