case_images: PMC5767994_01
case_images: Preoperative upper lip
case_images: JISP-21-63-g001.jpg
case_images: PMC5767994_01_JISP-21-63-g001.jpg
case_images: F1
case_images: On extraoral examination, the upper lip was swollen and soft in consistency [Figure 1].
case_images: Preoperative diffuse swelling of maxillary anterior gingiva
case_images: JISP-21-63-g002.jpg
case_images: PMC5767994_01_JISP-21-63-g002.jpg
case_images: F2
case_images: Intraoral examination showed a grade II gingival enlargement in relation to the labial aspect of maxillary anteriors [Figure 2].
case_images: (a) Hematoxylin and eosin stained section showing numerous plasma cell infiltrations in connective tissue stroma (x10); (b) Hematoxylin and eosin stained section showing numerous plasma cell infiltrations in connective tissue stroma (x40)
case_images: JISP-21-63-g003.jpg
case_images: PMC5767994_01_JISP-21-63-g003.jpg
case_images: F3
case_images: The connective tissue exhibited dense chronic inflammatory cell infiltrate comprised predominantly of plasma cells [Figure 3a and b].
case_images: Immunohistochemistry stained section showing Kappa (brown) and lambda (red)
case_images: JISP-21-63-g004.jpg
case_images: PMC5767994_01_JISP-21-63-g004.jpg
case_images: F4
case_images: Immunohistochemistry (IHC) evaluation showed biclonal expression of kappa and lambda with marginal overexpression of kappa [Figure 4].
case_images: Postoperative maxillary anterior gingiva
case_images: JISP-21-63-g005.jpg
case_images: PMC5767994_01_JISP-21-63-g005.jpg
case_images: F5
case_images: The surgical site healed uneventfully and a near normal appearance of the lip and gingiva [Figure 5] was seen after six weeks.