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We present two cases of AOT, the first case concerns a 23-year-old patient with an AOT located in the maxilla and the second case involves a 37-year-old patient presenting an AOT with mandibular localization.

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PURPOSE: The increasing popularity of cosmetic surgery and its effect on facial recognition software has attracted the attention of many researchers. Indeed, after having undergone cosmetic surgery procedures, nonlinear modifications that are made to facial biometric landmarks may lead to difficulty in recognizing individuals, who received a surgery, by facial biometric systems. This finding motivated us to discuss this topic differently and take advantage of these modifications to objectively study the results of cosmetic surgery. In this study, we propose facial biometry as a new method to objectively describe face changes after facelift surgery. PATIENTS AND METHODS: For this study, 37 women, aged between 50 and 80 years old, were selected. These patients underwent facelift surgery between January 2013 and December 2017. For comparison of the biometric facial features before and after facelift surgery, 7 direct measurements (4 linear and 3 angular) were performed. RESULTS: There was no significant difference between real and preoperative apparent age as per the face recognition software: (63.35 years +/- 6.52 vs 64.54 years +/- 7.49, P = .188 > 0.05). The postoperative apparent age was significantly lower than the preoperative apparent age as per the face recognition software (58.97 years +/- 7.19 vs 64.54 years +/- 7.49; P < 10-3). We found a statistically significant increase in the mean of the 3 ratios of the linear measures and a statistically significant modification in the means of the 3 angular measurements. CONCLUSIONS: Biometry enabled us to evaluate the preoperative and postoperative facial features of patients before and after facelift surgery and to determine objectively whether the estimated age was improved by the surgery.

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ß Thalassemia is an inherited genetic disorder of hemoglobin synthesis characterized by a reduction of ß chains of globin. Typical features of patients with ß thalassemia are skeletal modifications, particularly in the skull and in the facial bones. In thalassemia major, involvement of the facial skeleton can result in severe disfigurement, often referred to as "rodent facies". Various surgical approaches to correct the facial deformity have been advocated; however, treatment remains controversial. The worse the patient's systemic condition, the more unstable and more complicated the surgical procedure. Patient with multisystemic disorder and severe deformity, such as in our case, with a complete lack of cortical bone for bone fixation, might not be amenable to such procedures. Thorough knowledge of the multiple systemic manifestations, therapy, and prognosis of this syndrome is necessary to formulate a safe, comprehensive surgical plan for these patients.

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UNLABELLED: Frontal pneumosinus dilatans is a rare entity that is documented only by a few reports. It is an abnormal expansion of the aerated frontal sinus, with sinus walls of normal thickness. The expansion of the bone may be generalized or focal. It is not only an aesthetic problem but may also have functional consequences. We herein present the case of a 23-year-old woman who had been referred to the maxillofacial and plastic unit in Sousse (Tunisia) complaining of a prominence on her right supraorbital region and forehead. The cause was unknown and there were no functional problems. Computed tomography showed a large pneumatized frontal sinus and confirmed the resulting bony prominence. The patient was taken to the operating room, where the frontal and supraorbital regions were exposed through a bicoronal incision. The anterior wall of the right frontal sinus was removed, and was divided into segments that were then fixed in the desired position using a titanium mesh plate. Excellent results were obtained, and the patient had no complaints and was satisfied with her appearance. She remained well two years postoperatively. Pneumosinus dilatans is an entity every plastic surgeon should be aware of because its treatment falls within the realm of craniofacial surgery. The etiology remains unclear, and surgical management is directed toward surgical exploration of the sinus to ensure recontouring of the anterior table of the frontal sinus to correct any cosmetic deformity. Several authors have published different surgical techniques. LEVEL OF EVIDENCE: 5 Therapeutic.

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Infantile cutaneous hemangioma is a benign vascular tumour present at 10% of the infants. It forms part of the group of the vascular tumours in the classification of international society for vascular anomalies (ISSVA). Usual surgical attitude is abstention and surgery is proposed only in order to treat sequelae. But some particular situations require early surgery to avoid functional impairment, deformation or growth delay due to the lesion's development. Using our observations, we recall the epidemiology, the physiopathology, the clinical aspects, the particularities of the facial localizations and their treatments. In these localizations the time intervenes like a fourth dimension that is going to modify, to improve or to aggravate the prognosis. Treatment requires a strategy and precocious surgery. We insist on the fact that the dogma of the therapeutic abstention remained true for a majority of children with small size hemangioma and that a precocious surgery must be proposed for some localizations in the face.

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INTRODUCTION: The mandible is an infrequent localisation of primary osseous non-Hodgkin's lymphomas. Few cases of mandibular non-Hodgkin's lymphomas (NHL) have been reported. CASE REPORT: A rare condition of primary malignant non-Hodgkin's lymphoma of the mandible in 53-year-old man, was reported at the Department of Maxillofacial and Plastic Surgery in Charles Nicolle Hospital (Tunis, Tunisia). Histologic and Immunohistochemical (IHC) examination Confirmed a B-Cell lymphoma. DISCUSSION: The purpose of this report is to describe this rare case of NHL of the mandible, explore the diagnosis and workup, and discuss treatment strategies. In this localisation, neither the clinical features nor the radiologic appearances are often pathognomonic. CONCLUSION: Particular care must be taken to consider lymphoma in the differential diagnosis because this uncommon lesion can pose significant diagnostic problems and is frequently misdiagnosed.