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A 32-year-old female presented with a sino-orbital lesion that proved to be a NUT midline carcinoma. This is only the third case of orbital involvement by this aggressive lesion. The clinical, radiographic, and histopathologic features of NUT midline carcinoma are discussed, as well as its management options.

IgG4-related disease is a recently described fibroinflammatory condition, often with systemic involvement. Several authors have reported IgG4-related orbital inflammation in adults. Pediatric cases of IgG4-related disease have been reported in the literature involving other areas of the body, with only 1 recent report of probable orbital involvement. The first case of probable IgG4-related dacryoadenitis is reported in a child.

The vast majority of periocular squamous cell carcinoma spreads intraorbitally along the supraorbital and infraorbital nerves into the cavernous sinus. A patient presented with a history of resected squamous cell carcinoma and pain in the zygomatic distribution. She was found to have temporalis involvement of the malignancy and invasion of the zygomaticotemporal nerve by histopathology. She underwent aggressive resection and adjuvant treatment with no evidence of recurrence at 8-month follow up. This case illustrates an uncommon route of squamous cell carcinoma spread through the zygomaticotemporal sensory nerve distribution.