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Axillary Lymph Node Swelling Mimicking Breast Cancer Metastasis After COVID-19 Vaccination: A Japanese Case Report and Literature Review.
Yoshimoto, Nobuyasu; Takura, Kohei; Yanagi, Akemi; Takayama, Satoru; Sakamoto, Masaki; Ishikawa, Ken; Katada, Takeyasu; Kawate, Akifumi; Takayama, Shoryu; Yamashita, Masakatsu; Yamamoto, Shinya; Yokoyama, Kioto; Kani, Hisanori.
  • Yoshimoto N; Department of Breast Surgery, Nagoya Tokushukai General Hospital, Kasugai, Japan; paris@s4.dion.ne.jp.
  • Takura K; Clinical Research Center, Nagoya Tokushukai General Hospital, Kasugai, Japan.
  • Yanagi A; Department of Surgery, Nagoya Tokushukai General Hospital, Kasugai, Japan.
  • Takayama S; Department of Radiology, Nagoya Tokushukai General Hospital, Kasugai, Japan.
  • Sakamoto M; Department of Surgery, Nagoya Tokushukai General Hospital, Kasugai, Japan.
  • Ishikawa K; Department of Surgery, Nagoya Tokushukai General Hospital, Kasugai, Japan.
  • Katada T; Department of Surgery, Nagoya Tokushukai General Hospital, Kasugai, Japan.
  • Kawate A; Department of Surgery, Nagoya Tokushukai General Hospital, Kasugai, Japan.
  • Takayama S; Department of Surgery, Nagoya Tokushukai General Hospital, Kasugai, Japan.
  • Yamashita M; Department of Surgery, Nagoya Tokushukai General Hospital, Kasugai, Japan.
  • Yamamoto S; Department of Surgery, Nagoya Tokushukai General Hospital, Kasugai, Japan.
  • Yokoyama K; Department of Surgery, Nagoya Tokushukai General Hospital, Kasugai, Japan.
  • Kani H; Department of Surgery, Nagoya Tokushukai General Hospital, Kasugai, Japan.
In Vivo ; 36(2): 1041-1046, 2022.
Article in English | MEDLINE | ID: covidwho-1732571
ABSTRACT
BACKGROUND/

AIM:

COVID-19 started to spread as a pandemic in December 2019 and COVID-19 vaccination has been initiated worldwide. The efficacy of vaccination has been scientifically proven, but it might cause axillary lymph node swelling. To diagnose patients with axillary lymph node swelling caused by COVID-19 vaccination, we herein reviewed existing literature on this symptom. CASE REPORT We report the case of a 70-year-old woman with a breast tumour. She had undergone cecum cancer surgery and regular computed tomography (CT). During breast tumour follow-up, she received scheduled CT that indicated severe axillary lymph node swelling mimicking breast cancer metastasis. We performed aspiration biopsy cytology of that lymph node, and determined this was not cancer metastasis but an effect of the COVID-19 vaccine. We confirmed this diagnosis at one month after computed tomography showed that the lymph node swelling had improved.

CONCLUSION:

Axillary lymph node swelling can occur after COVID-19 vaccination. Therefore, it is important to consider the effect of the COVID-19 vaccination on axillary lymph node swelling when diagnosing breast tumours.
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Full text: Available Collection: International databases Database: MEDLINE Main subject: Breast Neoplasms / COVID-19 Type of study: Case report / Cohort study / Prognostic study / Reviews Topics: Vaccines Limits: Aged / Female / Humans Country/Region as subject: Asia Language: English Journal: In Vivo Journal subject: Neoplasms Year: 2022 Document Type: Article

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Full text: Available Collection: International databases Database: MEDLINE Main subject: Breast Neoplasms / COVID-19 Type of study: Case report / Cohort study / Prognostic study / Reviews Topics: Vaccines Limits: Aged / Female / Humans Country/Region as subject: Asia Language: English Journal: In Vivo Journal subject: Neoplasms Year: 2022 Document Type: Article