Tom 8, Nr 5 (2023)
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Opublikowany online: 2023-08-17

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Rare case of recurrent myofibroblastoma in a female patient

Stanisław Ciechanowicz1, Piotr Kupidłowski1, Mateusz Wichtowski1
Biuletyn Polskiego Towarzystwa Onkologicznego Nowotwory 2023;8(5):391.



Obrazy w onkologii / Pictures in oncology

Biuletyn Polskiego
Towarzystwa Onkologicznego

2023, tom 8, nr 5, 391

© Polskie Towarzystwo Onkologiczne

ISSN: 2543–5248, e-ISSN: 2543–8077

Rare case of recurrent myofibroblastoma in a female patient

Stanisław Ciechanowicz Piotr Kupidłowski Mateusz Wichtowski
Surgical Oncology Clinic, Poznan University of Medical Sciences, Poznan, Poland

Jak cytować / How to cite:

Ciechanowicz S, Kupidłowski P, Wichtowski M. Rare case of recurrent myofibroblastoma in a female patient. NOWOTWORY J Oncol 2023; 73: 323.

A 61-year-old female patient presented with a painless lump located in the right breast. In 2015 she was diagnosed with mammary-type myofibroblastoma (MFB) in the right breast and underwent a resection. In 2016 there was a unilateral relapse and the second tumorectomy was performed. The patient underwent core needle biopsy, which indicated a non-epithelial spindle cell lesion with immunohistochemistry results CD34+;S100–; p63–; CKPAN–; ER–. On the MRI there was a lobular tumour (37 x 42 x 57 mm) with 2 satellite lesions. Due to the size of the tumour and previous breast surgeries, a nipple sparing mastectomy with reconstruction was performed. Histopathology confirmed MFB (fig. 1, fig. 2). MFB is a rare benign spindle cell tumour of the breast. Due to its rare incidence, no risk factors or genetic predispositions are identified [1]. As MFB is well encapsulated, the treatment of choice is surgery without further adjuvant therapy. Only one relapse of MFB has been reported in the literature so far [2]. There is little data concerning recurrence of MFB [2], therefore careful observation and documentation of recurrent MFBs could prove beneficial in studying the nature of MFB and treating patients.

Figure 1. Microscopic display of hematoxylin and eosin-stained section of classic myofibroblastoma
Figure 2. Spindle shaped, slender, blend and uniform cells closely packed in short fascicles intermixed with hyalinised, thick collagen bundles


  1. Magro G. Mammary myofibroblastoma: a tumor with a wide morphologic spectrum. Arch Pathol Lab Med. 2008; 132(11): 1813–1820, doi: 10.5858/132.11.1813, indexed in Pubmed: 18976021.
  2. Scardina L, Franceschini G, Biondi E, et al. Myofibroblastoma of the breast: two case reports and literature review. J Surg Case Rep. 2021; 2021(4): rjab133, doi: 10.1093/jscr/rjab133, indexed in Pubmed: 33927867.

Biuletyn Polskiego Towarzystwa Onkologicznego Nowotwory