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. 2012 Dec 19:12:25.
doi: 10.1186/1471-2482-12-25.

Effects of local phenytoin on seroma formation after mastectomy and axillary lymph node dissection: an experimental study on mice

Mehmet Eser  1 , Fırat Tutal, Metin Kement, Selcuk Goktas, Levent Kaptanoglu, Mehmet Gökceimam, Melin Ozgun Gecer, Huseyin Uzun
Affiliations

Effects of local phenytoin on seroma formation after mastectomy and axillary lymph node dissection: an experimental study on mice

Mehmet Eser et al. BMC Surg. .

Abstract

Background: Seroma formation is the most common complication after breast cancer surgery. It is an important complication since it prolongs therapy duration, increases cost, and negatively affects patient psychology. Currently, there is no widely accepted method that prevents seroma formation. We tried to investigate impact of local phenytoin application on seroma formation following an experimental mastectomy model created in rats.

Methods: Two groups including eight rats in each were randomized. Saline injection was applied in the first group, whereas 1% phenytoin was locally used in the second group. Ten days after the surgery, seroma formation and wound-healing processes were evaluated using histopathological and biochemical examinations.

Results: Phenytoin significantly decreased seroma formation. Fibrosis was significantly increased and angiogenesis was significantly reduced in the phenytoin group (P < 0.05). Increased levels of macrophage and lymphocyte infiltration was detected in the control group (P < 0.05). No difference was detected between the groups in terms of necrosis, edema, congestion, and PNL (Polymorphonuclear leucocyte) and fibroblast infiltration.

Conclusions: Seroma formation-reducing effect of phenytoin might have occurred over its anti-inflammatory, anti-angiogenetic, and fibrosis augmenting effects.

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Figures

Figure 1
Figure 1
Axillary adipose cellular tissue before and after axillary dissection.
Figure 2
Figure 2
There was also significant microscopic difference between the control and phenytoin groups in terms of fibrous tissue enhancement.
See this image and copyright information in PMC

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