A case of multiple pseudolymphoma occurring on the face and trunk

Masayoshi Nakao, Nahoko Iwasaki, Syuchi Azuma, Daisuke Matsumoto, Junichi Motoshita, Satoshi Takeuchi

Research output: Contribution to journalArticle

Abstract

A 62-year-old man developed a large red nodule on his right lower jaw 6 months before visiting our clinic, followed by multiple nodules and erythema soccurring on his head and trunk. He visited the department of plastic surgery of Hamanomachi Hospital and had the large nodule removed surgically. A histopathological examination revealed dense mononuclear cell infiltration in the dermis without apparent nuclear atypia or conspicuous mitosis. Infiltrating cells were a mixture of numerous B and T cells as assessed immunohistochemically. Sections from the other nodules and the erythema were histologically very similar and no gene expression of immunoglobulin heavy chain or T-cell receptor β and γ chains was detected in these additional specimens. Cervical to inguinal computed tomography scanning and blood examination showed no evidences of malignant lymphoma. The diagnosis of pseudolymphoma was made from the above findings. The nodules and erythema disappeared after local injection of triamcinolone acetonide, but some eruptions flared and others newly appeared, necessitating monthly treatments. Careful follow-up is needed since cases of malignant lymphoma occurring from pre-existing pseudolymphoma have been reported.

Original languageEnglish
Pages (from-to)570-574
Number of pages5
JournalNishinihon Journal of Dermatology
Volume77
Issue number6
DOIs
Publication statusPublished - Jan 1 2015
Externally publishedYes

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Pseudolymphoma
Erythema
Lymphoma
Triamcinolone Acetonide
Immunoglobulin Heavy Chains
Groin
Plastic Surgery
Dermis
T-Cell Antigen Receptor
Jaw
Mitosis
B-Lymphocytes
Head
Tomography
T-Lymphocytes
Gene Expression
Injections
Therapeutics

All Science Journal Classification (ASJC) codes

  • Dermatology

Cite this

Nakao, M., Iwasaki, N., Azuma, S., Matsumoto, D., Motoshita, J., & Takeuchi, S. (2015). A case of multiple pseudolymphoma occurring on the face and trunk. Nishinihon Journal of Dermatology, 77(6), 570-574. https://doi.org/10.2336/nishinihonhifu.77.570

A case of multiple pseudolymphoma occurring on the face and trunk. / Nakao, Masayoshi; Iwasaki, Nahoko; Azuma, Syuchi; Matsumoto, Daisuke; Motoshita, Junichi; Takeuchi, Satoshi.

In: Nishinihon Journal of Dermatology, Vol. 77, No. 6, 01.01.2015, p. 570-574.

Research output: Contribution to journalArticle

Nakao, M, Iwasaki, N, Azuma, S, Matsumoto, D, Motoshita, J & Takeuchi, S 2015, 'A case of multiple pseudolymphoma occurring on the face and trunk', Nishinihon Journal of Dermatology, vol. 77, no. 6, pp. 570-574. https://doi.org/10.2336/nishinihonhifu.77.570
Nakao M, Iwasaki N, Azuma S, Matsumoto D, Motoshita J, Takeuchi S. A case of multiple pseudolymphoma occurring on the face and trunk. Nishinihon Journal of Dermatology. 2015 Jan 1;77(6):570-574. https://doi.org/10.2336/nishinihonhifu.77.570
Nakao, Masayoshi ; Iwasaki, Nahoko ; Azuma, Syuchi ; Matsumoto, Daisuke ; Motoshita, Junichi ; Takeuchi, Satoshi. / A case of multiple pseudolymphoma occurring on the face and trunk. In: Nishinihon Journal of Dermatology. 2015 ; Vol. 77, No. 6. pp. 570-574.
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