Primary intraosseous hemangioma of the orbit: an unusual presentation of an uncommon tumor

Blood within the bone: orbital intraosseous venous malformation

PURPOSE

Description of clinical features, radiological characteristics, and management strategies in primary orbital intraosseous venous malformation (OIVM) with pertinent literature review.

METHODS

A retrospective analysis including clinical, radiologic, operative, and histopathological data of six cases of histopathologically proven OIVM was done. A comprehensive literature review was conducted using online databases and augmented with manual search to identify reported cases of OIVM.

RESULTS

Study data showed five females and one male in young to middle-age group, with an average age of 30 years (range: 20-48 years). Proptosis was noted in five cases (83.33%), and the duration of symptoms ranged from 6 months to 10 years. Frontal and zygomatic bones were most frequently affected and expansile bony lesion was the most common CT scan finding. Three patients underwent pre-operative embolization of feeders followed by en bloc excision of mass and surgical reconstruction (50%); one patient was managed with partial excision (16.66%) while two were regularly followed-up after incision biopsy (33.33%). Histopathology revealed vascular spaces with endothelial lining, separated by bony trabeculae in all patients. Follow-up periods ranged from 6 to 48 months and no recurrence or progression were noted.

CONCLUSIONS

OIVM is an exceptionally rare disorder with a gradually progressive benign course. Ophthalmologists need to be mindful of this entity during patient evaluation as it has propensity for large volume blood loss intra-operatively, owing to its vascular nature. Complete excision with reconstruction of resultant defect is the preferred treatment strategy and without known recurrence.

Intraosseous venous malformation of the zygoma: Case report and pooled analysis

The objective of this study is to provide a comprehensive summary of the clinical and radiological features of zygomatic intraosseous venous malformations (IVM), as well as its treatment strategies. The aim is to establish preoperative diagnostic bases that will aid in the identification of zygomatic IVM and facilitate the implementation of effective treatment. Four cases of pathologically diagnosed zygomatic IVM with typical clinical and radiological features were reported. They exhibited comparable clinical and radiological features, and the En bloc excision and reconstruction yielded satisfactory outcome. Pooled data analysis was performed with additional 74 cases collected from 63 previous studies. The results revealed a higher incidence of zygomatic IVMs in middle-aged females, with swelling, pain and ocular dysfunction being the typical clinical manifestations. The characteristic radiological features of these lesions were well-defined, round bony structures with specific internal trabecular patterns. A diagnostic flow-chart assisting the differential diagnosis of IVM was established. En bloc excision was deemed the most advantageous treatment option, as it presented minimal risk of haemorrhaging and no instances of recurrence. The decision to pursue reconstruction was contingent upon the extent of the defect. Alloplastic material has emerged as the most frequently employed reconstruction material in recent reports. The summarized characteristics of zygomatic IVM and the proposed diagnostic and treatment strategies, derived from the pooled analysis of reported cases, may help to improve diagnosis and management in further clinical practice.

Computer guided resection and reconstruction of intra-osseous zygomatic hemangioma: Case report and systematic review of literature

OBJECTIVES

to systemically integrate the available data on various published treatment strategies for intraosseous hemangioma of the zygoma in an updated comprehensive systematic review, and to present a new case of treated resection and immediate reconstruction using computer guided patient specific composite graft.

CASE PRESENTATION

A 29 years old female patient with intraosseos zygomatic hemangioma treated using computer guided resection and immediate reconstruction. The resection was performed using a resection template constructed based on preoperative 3D planning. The reconstruction was performed using ramus bone graft and titanium mesh. The patient was followed up for 3 years with no complications.

METHODS

An electronic search was performed on 3 data bases; additional hand search of bibliographies of selected articles was performed. Eligibility criteria include human studies presenting intraosseous zygomatico-orbital hemangioma with clearly reported therapeutic strategies.

RESULTS

53 articles with 73 cases were included. The lesion was highly prevalent in females compared to males (2.28:1). Fifth decade represents the highest prevalence with mean age of 44.1 ± 1.8 years. The main patient concern was swelling and facial deformity. Total tumor resection can assure no recurrence, while partial resection and curettage are associated with high recurrence rate.

Zygomatic Intraosseous Hemangioma: Case Report and Literature Review

Intraosseous hemangiomas are uncommon intrabony lesions, representing approximately 0.5 to 1% of all intraosseous tumors. Their description varies from "benign vasoformative neoplasms" to true hamartomatous proliferations of endothelial cells forming a vascular network with intermixed fibrous connective tissue stroma. These commonly present as a firm, painless swelling. Intraosseous hemangiomas present more commonly in females than in males and most likely occur in the fourth decade of life. The most common etiology of intraosseous hemangioma is believed to be prior trauma to the area. They have a tendency to bleed briskly upon removal or biopsy, making preoperative detection of the vascular nature of the lesion of significant importance. There are four variants: (1) capillary type, (2) cavernous type, (3) mixed variant, and (4) scirrhous type. Generally most common in the vertebral skeleton, they can also present in the calvarium and facial bones. In the head, the most common site is the parietal bone, followed by the mandible, and then malar and zygomatic regions. Intraosseous hemangiomas of the zygoma are rare entities with the first case reported in 1950 by Schoenfield. In this article, we review 49 case reports of intraosseous hemangioma of the zygoma, and also present a new case treated with excision followed by polyether-ether ketone implant placement for primary reconstruction.

Primary Intraosseous Hemangioma of the Orbital Roof: A Pitfall of Surgery

A primary intraosseous hemangioma (IOH) of the orbital bone is extremely rare. The preferred method of treatment for IOH is total surgical excision with reconstruction. Herein, the authors describe a patient with an orbital roof IOH and the unexpected complications of ptosis and deteriorated exophthalmos. These findings showed that the total surgical excision and subsequent reconstruction provided adequate decompression and prevented further ocular complications from the orbital wall defect.