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Tumor Discovery                                             PG of maxillary median gingiva in a pediatric patient



            was eventually referred to our department for further   mass with the right upper deciduous central incisor
            examination and treatment.                         (Figure  4B   and  C). After resection, the healthy gingiva
              Regarding the intraoral findings, a painless, elastic,   and periosteum  at  the  margins of the  resection area
            soft, and non-pedunculated mass, measuring 15 × 10 mm,   were sutured with an absorbable thread. Histologically, a
            was found in the left upper deciduous central incisor area   granulomatous lesion with telangiectasia was observed,
            (Figure  1). There was no remarkable personal or family   showing no signs of malignancy (Figure  5). The lesion
            medical history. Panoramic and dental X-ray showed no   was a highly vascularized fibrous connective tissue stroma
            significant abnormalities. Computed tomography (CT)   exhibiting numerous dilated blood capillaries, which were
            revealed no  obvious bone  resorption or  destruction   of varying sizes and shapes and lined with a single layer
            (Figure 2). Magnetic resonance imaging revealed a high   of endothelial cells. Based on these findings, the final
            signal  intensity on T2-weighted  short tau inversion   diagnosis was PG. At the time of writing this paper, the
                                                                                                      th
            recovery imaging and a well-defined mass measuring 13   patient had been clinically followed up for the 18  month
            × 10 mm with a contrast effect on T1-weighted imaging   after the surgery, showing no signs of tumor recurrence.
            (Figure  3). Considering the above findings, the patient   The gingival morphology was also restored to a healthy
            underwent an excisional biopsy under general anesthesia   state. Normal eruption of the successional maxillary
            in the same month. The excision range was designed   anterior teeth was observed (Figure 6).
            with a safety margin of approximately 1 mm around the   3. Discussion
            tumor (Figure 4A), and the lesion was resected as a single
                                                               PG is a granulomatous exophytic lesion that develops
                                                               on skin and mucous membranes. PG of the oral cavity
                                                               commonly occurs on the lips, gingiva, and tongue. It occurs
                                                               more frequently in females than in males, with a ratio of
                                                               2:1.  The occurrence of PG is most common before the fifth
                                                                  2
                                                               decade of life.  The incidence of PG has risen tremendously
                                                                          3
                                                               in the last two decades. 2
                                                                 The occurrence of PG is relatively rare in children.
                                                               To the best of our knowledge, only 26  cases of PG in
                                                               children below 10  years old, including the current case,
                                                               have been reported in the English literature. Most of the
                                                               PG lesions develop on the gingiva, but two cases occurred
                                                               on the upper lip and one case on the lower lip. The
                                                               mean maximum diameter of the PG was 16.25 mm. The
            Figure 1. Pre-operative intraoral findings. A mass measuring 15 × 10 mm   occurrence of PG was slightly more common in boys. The
            was found in the left upper deciduous central incisor area.  youngest  documented patient who had been diagnosed
                                                               with PG was 8 weeks old, with the lesion developing on
                                                               the perigingiva of the congenital tooth. Table 1 presents

                                                               A                       B
















                                                               Figure 3. Magnetic resonance imaging images. (A) T2-weighted STIR
                                                               imaging showed a high signal intensity (arrow). (B) Gadolinium contrast
            Figure  2.  Computed  tomography  image.  No bone resorption  and   T1-weighted imaging showed a well-defined mass, measuring 13 ×
            destruction were observed in the upper deciduous central incisor area.  10 mm, with a contrast effect (indicated by arrow).


            Volume 3 Issue 2 (2024)                         2                                 doi: 10.36922/td.2213
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