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Toxoplasmic Lymphadenitis Presenting as a Tiny Neck Tumor. Healthcare (Basel) 2021; 9:healthcare9050487. [PMID: 33918991 PMCID: PMC8142991 DOI: 10.3390/healthcare9050487] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2021] [Revised: 04/17/2021] [Accepted: 04/19/2021] [Indexed: 11/17/2022] Open
Abstract
(1) Background: Toxoplasmic lymphadenitis (TL), caused by the protozoan Toxoplasma gondii, is a worldwide zoonosis. We report a case of TL in the head and neck region diagnosed using ultrasound (US)-guided fine needle aspiration cytology (FNAC), serological tests, and pathological findings. (2) Case Presentation: A 51-year-old female with a chief complaint of a left posterior neck mass that had been growing for approximately 2 weeks. TL was confirmed by histopathological examinations and serological tests. US-guided FNAC and en bloc resection of the lymph node were performed. The diagnosis was confirmed as TL in the neck. (3) Conclusions: We suggest that US-guided FNAC should be considered as the first-line test for assessing a tiny mass before a definitive treatment is chosen.
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Ventura L, Zanelli M, Zizzo M, Sanguedolce F, Martino G, Castro Ruiz C, Annessi V, Ascani S. Toxoplasma cyst detection in Piringer-Kuchinka lymphadenitis. Report of two cases and literature review. Pathologica 2021; 113:126-130. [PMID: 34042094 PMCID: PMC8167400 DOI: 10.32074/1591-951x-139] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2020] [Accepted: 05/13/2020] [Indexed: 11/30/2022] Open
Abstract
The diagnosis of acute toxoplasmic lymphadenitis is traditionally based on the combination of lymph node excisional biopsy with specific tests. The classic triad (marked follicular hyperplasia, small irregular clusters of epithelioid histiocytes in germinal centers, and sinusoidal distension by monocytoid B lymphocytes) is considered diagnostic of the so-called Piringer-Kuchinka lymphadenitis. Toxoplasma gondii organisms have been exceptionally disclosed in such histopathological setting, establishing the diagnosis of toxoplasmic lymphadenitis. Two cases of Piringer-Kuchinka lymphadenitis with toxoplasma cyst demonstration are reported, along with a complete review of the literature.
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Affiliation(s)
- Luca Ventura
- Division of Pathology, San Salvatore Hospital, L'Aquila, Italy.,Department of Biotechnological and Applied Clinical Sciences, University of L'Aquila, Italy
| | - Magda Zanelli
- Pathology Unit, Azienda Unità Sanitaria Locale-IRCCS di Reggio Emilia, Reggio Emilia, Italy
| | - Maurizio Zizzo
- Surgical Oncology Unit, Azienda Unità Sanitaria Locale-IRCCS di Reggio Emilia, Reggio Emilia, Italy.,Clinical and Experimental Medicine PhD Program, University of Modena and Reggio Emilia, Modena, Italy
| | - Francesca Sanguedolce
- Pathology Unit, Azienda Ospedaliero-Universitaria - Ospedali Riuniti di Foggia, Foggia, Italy
| | - Giovanni Martino
- Hematology Unit, CREO, Azienda Ospedaliera di Perugia, University of Perugia, Italy
| | - Carolina Castro Ruiz
- Surgical Oncology Unit, Azienda Unità Sanitaria Locale-IRCCS di Reggio Emilia, Reggio Emilia, Italy.,Clinical and Experimental Medicine PhD Program, University of Modena and Reggio Emilia, Modena, Italy
| | - Valerio Annessi
- Surgical Oncology Unit, Azienda Unità Sanitaria Locale-IRCCS di Reggio Emilia, Reggio Emilia, Italy
| | - Stefano Ascani
- Pathology Unit, Azienda Ospedaliera Santa Maria di Terni, University of Perugia, Terni, Italy
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