Acute Toxoplasmosis Mimicking Melanoma Metastases: Review of Conditions Causing False-Positive Results on 18F-FDG PET/CT | Zendy

Katja Ivanova | Zendy; Katharina Glatz | Zendy; Alfred Zippelius | Zendy; G Nicolas | Zendy; P. Itin | Zendy

Open Access

Acute Toxoplasmosis Mimicking Melanoma Metastases: Review of Conditions Causing False-Positive Results on <sup>18</sup>F-FDG PET/CT

Author(s) -

Katja Ivanova,

Katharina Glatz,

Alfred Zippelius,

G Nicolas,

P. Itin

Publication year - 2012

Publication title -

dermatology

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.224

H-Index - 92

eISSN - 1421-9832

pISSN - 1018-8665

DOI - 10.1159/000346333

Subject(s) - toxoplasmosis , asymptomatic , melanoma , toxoplasma gondii , medicine , zoonosis , pathology , positron emission tomography , radiology , dermatology , immunology , cancer research , antibody

Invasive malignant melanoma is the most common fatal form of skin cancer. Fluorine-18-fluorodeoxyglucose positron emission tomography-computed tomography demonstrates a very high sensitivity and specificity for the detection of melanoma metastases. Here, we report an unusual case of toxoplasma lymphadenitis in a male adult patient mimicking a malignant cervical lymphadenopathy. Toxoplasmosis is a zoonosis caused by the intracellular parasite Toxoplasma gondii, which is usually asymptomatic in immunocompetent hosts.

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