J Korean Assoc Oral Maxillofac Surg.  2019 Aug;45(4):225-229. 10.5125/jkaoms.2019.45.4.225.

Intraoral HIV-associated Burkitt's lymphoma: a rare case report with special emphasis on differential diagnosis

• Kamat M
• Datar U
• Kanitkar S
• Byakodi S

• KMID: 2456042
• DOI: http://doi.org/10.5125/jkaoms.2019.45.4.225

Abstract

Individuals with human immunodeficiency virus (HIV) infection present with unique intraoral manifestations of various neoplasms. Intraoral HIV-associated Burkitt's lymphoma is a rare presentation, especially in patients of Indian origin and may present as an initial sign of HIV. The objective of this paper is to report a rare case of Burkitt's lymphoma in an HIV-positive Indian patient along with a special emphasis on differential diagnosis. A 30-year-old Indian female presented with a solitary, well-defined, exophytic mass extending anteroposteriorly and buccolingually from the 35th to 38th regions with no evidence of intraosseous extension. An incisional biopsy was performed, and histopathology showed sheets of neoplastic lymphoid cells with numerous tingible body macrophages with clear cytoplasm, presenting a starry sky appearance, suggesting a diagnosis of BL. The tumor cells were positive for CD10, CD20, c-myc, and Epstein-Barr virus, with a nearly 100% Ki-67 proliferative index. The patient tested positive for HIV. This report indicates the importance of immunohistochemical analysis to differentiate Burkitt's lymphoma from other similar lesions like diffuse large B-cell lymphoma. Thorough knowledge of the clinical presentation, etiopathogenesis, histopathology, and immunoprofile of intraoral HIV-associated Burkitt's lymphoma is essential among clinicians and pathologists.

Keyword

Aquired immunodeficiency syndrome; Burkitt lymphoma; Gingiva; HIV; Oral cavity

MeSH Terms

Adult
Biopsy
Burkitt Lymphoma*
Cytoplasm
Diagnosis
Diagnosis, Differential*
Female
Gingiva
Herpesvirus 4, Human
HIV
Humans
Lymphocytes
Lymphoma, B-Cell
Macrophages
Mouth

Figure

• 

  Fig. 1 Intraoral clinical image showing a sessile exophytic mass covered by slough, extending anteroposteriorly and buccolingually from the 35th to 38th region.

• 

  Fig. 2 Photomicrograph showing diffuse proliferation of uniformly sized neoplastic lymphoid cells with numerous tingible body macrophages, presenting a starry sky appearance (A: H&E staining, ×10) and numerous mitotic figures, marked with arrows (B: H&E staining, ×40).

• 

  Fig. 3 Immunohistochemical staining showed that the neoplastic lymphoid cells were positive for c-myc (A: ×10), CD10 (B: ×10), CD20 (C: ×10), Ki-67 (D: ×40), and Epstein-Barr virus (E: ×10).

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