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Case Report: A newborn male with right proptosis secondary to a retroocular mass. Ophthalmological examination also showed corneal ulcer and perforation, iris hernia, total ophthalmoplegia, chemosis and eyelid retraction. The histopathology diagnosis was mature teratoma., Discussion: Teratomas are tumors composed of a mixture of mature tissues consisting of 3 germ layers. Congenital teratomas of the orbit are very rare and should be included as a possibility in cases with a primary tumor in the orbit., (Copyright © 2011 Sociedad Española de Oftalmología. Published by Elsevier Espana. All rights reserved.)

Purpose: To present a case of Haemangiopericytoma (HPC), a rare neopalsm which originates from the vascular pericytes. HPC occurs most commonly in adults. Only 5-10% of cases occur in children. Congenital orbital HPC is generally unknown in the field of ophthalmology., Material and Methods: A case of congenital, large exophthalmus is reported in a 1 day old male neonate. Imaging studies demonstrated a vascular, orbital mass involving skull base and cranial fossa., Results: The diagnosis of HPC was established after histological exmination. Lesion did not qualify to surgical resection. The child was treated with chemotherapy for 10 months and a great regression of tumor was noted. There was no tumor recurrence during 4 years of a follow up., Conclusions: Chemotherapy may have a significant role in the treatment of infants with nonoperative malignant hemangiopericytoma.

A rare cause of axial proptosis, orbital epithelial cysts are presumed to be of conjunctival origin if the wall is composed of nonkeratinized squamous epithelium (especially if goblet cells are present). These cysts can occur at any age and are typically surgically resected if symptomatic. The subject of this report is the management of a congenital orbital epithelial cyst by needle aspiration in a newborn with ipsilateral esotropia and severe unilateral proptosis.

A 2-month-old boy presented with hypotropia, eyelid retraction, and proptosis of the left eye. CT and ultrasound demonstrated enlarged extraocular muscles. Both the infant and mother were euthyroid. The patient underwent inferior rectus recession, lower eyelid retractor disinsertion, and entropion repair. Biopsy of the inferior rectus and oblique muscles was normal. The clinical presentation and workup appear to be most consistent with thyroid eye disease, which, to our knowledge, would be the first reported case of euthyroid congenital thyroid eye disease with a euthyroid mother.

We report an extremely unusual case of a 4-month-old boy who presented with a sudoriferous gland cyst of the orbit. Congenital sudoriferous cyst is extremely rare in both the adult and pediatric populations. The CT and MRI findings are presented and the pertinent literature reviewed.

We report the CT and MRI findings of congenital bilateral plexiform neurofibromas of the cavernous sinuses in a 2-month-old girl. Contrast-enhanced CT showed enhancement of masses in both cavernous sinuses and enlargement of both superior orbital fissures. On MRI the masses were isointense with muscle on T1-weighted images, hypointense on T2-weighted images and showed strong homogeneous enhancement on contrast-enhanced T1-weighted images. A dural tail sign was observed. The diagnosis was proven by biopsy.

We present a case report of a neonate with congenital subperiosteal orbital haematoma presenting with unilateral proptosis with review of current literature. The baby made an uneventful recovery following surgical drainage of the haematoma. This is the second report of orbital haematoma presenting at birth. Orbital haematoma should be considered in the newborn with unilateral proptosis. Early detection with computed tomography (CT) or magnetic resonance imaging (MRI) is required to determine the need for surgical drainage.

We report the rare case of a term newborn with an excessively large congenital, intracranial teratoma expanding into the right orbita and maxilla. The main symptoms were a total unilateral exophthalmos, a tumorous mass in the right cheek, macrocephaly with wide sutures, and a bulging fontanel. The diagnosis was confirmed by sonography, computed tomography and an exploratory excision from the retromaxillary region.

A case of dacryocystocele with intranasal extension is described by magnetic resonance imaging (MRI) characteristics, which are correlated with the appearance on computed tomography (CT) scans. Computed tomography and MRI are equally sensitive in detecting dacryocystocele. Magnetic resonance imaging has the advantages of characterizing the cyst contents, allowing multiplanar imaging without the need for manipulation of the patient, and the absence of radiation exposure. Computed tomography has the advantage of detecting bone changes involving the bony nasolacrimal canal. Clinically, these abnormalities usually resolve spontaneously and only rarely require surgical intervention.

Tetramethylthiuramdisulfide (TMTD), the active ingredient in Arasan, fed to broiler breeder hens at 10, 20, or 40 ppm depressed egg production, reduced hatchability, and resulted in soft-shelled eggs. The progeny of these hens had anomalies manifested by bilaternal medial deviation of the toes, exophthalmia, and shortened femurs. Broiler breeder hens that consumed a ration containing 80 ppm of TMTD produced only soft-shelled eggs.

This case demonstrates a previously unreported congenital orbital deformity. The patient was born with a unilateral exophthalmos. The etiology of the defect was demonstrated by CT scan as a convex bowing of the right superomedial orbital wall behind the axis of the eye. At surgery, this convexity was revealed to be a small bony defect through which the periorbital tissue and dura mater adhered. This sort of orbital deformity, although subtle, must be considered in the differential diagnosis of congenital unilateral exophthalmos.

We report a neonate, born at term, with microcephaly, a hypoplastic nose, exophthalmos, gum hyperplasia, cleft palate, and low set ears, who died at 86 minutes of age. Radiographs showed diffuse sclerosis of the bones.