ALLAN CHRISTIAN PIERONI GONCALVES

(Fonte: Lattes)
Índice h a partir de 2011
7
Projetos de Pesquisa
Unidades Organizacionais
Instituto Central, Hospital das Clínicas, Faculdade de Medicina
LIM/33 - Laboratório de Oftalmologia, Hospital das Clínicas, Faculdade de Medicina

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Agora exibindo 1 - 3 de 3
  • article 2 Citação(ões) na Scopus
    Evaluation of Ocular Versions in Graves' Orbitopathy: Correlation between the Qualitative Clinical Method and the Quantitative Photographic Method
    (2020) LEITE, Cristiane de Almeida; PEREIRA, Thais de Sousa; CHIANG, Jeane; GONCALVES, Allan C. Pieroni; MONTEIRO, Mario L. R.
    Purpose. To assess the agreement between the qualitative clinical method and the quantitative photographic method of evaluating normal and abnormal ocular versions in patients with inactive Graves' orbitopathy (GO).Methods. Forty-two patients with inactive GO had their ocular versions evaluated clinically according to three categories: normal, moderate alterations (-1 or -2 hypofunction), and severe alterations (-3 or -4 hypofunction). The subjects were photographed in the 9 positions of gaze, and the extent (mm) of eye movement in each position was estimated using Photoshop(R)and ImageJ and converted into degrees with a well-established method. The agreement between the two methods (qualitative vs. quantitative) for classifying ocular versions as normal or abnormal was assessed.Results. The mean quantitative measurements of versions were significantly different for each clinical category (normal, moderate alterations, and severe alterations) in the following five positions: abduction, adduction, elevation in abduction, elevation, and elevation in adduction (p<0.001). No such pattern was observed for the three infraversion positions (depression in abduction,p=0.573; depression,p=0.468; depression in adduction,p=0.268).Conclusion. The agreement was strong between the quantitative photographic method and the qualitative clinical method of classifying ocular versions, especially in lateral and supraversions, which are typically affected in GO. Digital photography is recommended for the assessment of ocular versions due to its practicality, suitability for telemedicine applications, and ease of monitoring during follow-up. This trial is registered with.
  • article 4 Citação(ões) na Scopus
    A Comparative Study of Clinical vs. Digital Exophthalmometry Measurement Methods
    (2020) PEREIRA, Thais de Sous; KUNIYOSHI, Cristina Hiromi; LEITE, Cristiane de Almeida; GEBRIM, Eloisa M. M. S.; MONTEIRO, Mario L. R.; GONCALVES, Allan C. Pieroni
    Background. A number of orbital diseases may be evaluated based on the degree of exophthalmos, but there is still no gold standard method for the measurement of this parameter. In this study we compare two exophthalmometry measurement methods (digital photography and clinical) with regard to reproducibility and the level of correlation and agreement with measurements obtained with Computerized Tomography (CT) measurements. Methods. Seventeen patients with bilateral proptosis and 15 patients with normal orbits diseases were enrolled. Patients underwent orbital CT, Hertel exophthalmometry (HE) and standardized frontal and side facial photographs by a single trained photographer. Exophthalmometry measurements with HE, the digital photographs and axial CT scans were obtained twice by the same examiner and once by another examiner. Pearson correlation coefficient (PCC) was used to assess correlations between methods. Validity between methods was assessed by mean differences, interintraclass correlation coefficients (ICC's), and Bland-Altman plots. Results. Mean values were significantly higher in the proptosis group (34 orbits) than in the normal group (30 orbits), regardless of the method. Within each group, mean digital exophthalmometry measurements (24.32 +/- 5.17 mm and 18.62 +/- 3.87 mm) were significantly greater than HE measurements (20.87 +/- 2.53 mm and 17.52 +/- 2.67 mm) with broader range of standard deviation. Inter-/intraclass correlation coefficients were 0.95/0.93 for clinical, 0.92/0.74 for digital, and 0.91/0.95 for CT measurements. Correlation coefficients between HE and CT scan measurements in both groups of subjects (r = 0.84 and r = 0.91, p<0.05) were greater than those between digital and CT scan measurements (r = 0.61 and r = 0.75, p<0.05). On the Bland-Altman plots, HE showed better agreement to CT measurements compared to the digital photograph method in both groups studied. Conclusions. Although photographic digital exophthalmometry showed strong correlation and agreement with CT scan measurements, it still performs worse than and is not as accurate as clinical Hertel exophthalmometry. This trail is registered with NCT01999790.
  • article 2 Citação(ões) na Scopus
    Acometimento orbitário na doença de Rosai-Dorfman
    (2011) OLIVEIRA, Cristiana Dumaresq de; GONCALVES, Allan C. Pieroni; MOURA, Frederico Castelo; ROSSATO, Luiz Angelo; MONTEIRO, Mario Luiz Ribeiro
    Rosai-Dorfman disease or sinus histiocytosis with massive lymphadenopathy is a rare idiopathic and benign clinical entity, characterized by histiocytic proliferation with linfofagocitosis. It usually presents with cervical lymphadenopathy although extranodal involvement may occur. The orbital region is one of the most common extranodal sites. It is usually a self-limiting disease with spontaneous resolution but surgical excision, corticosteroids and radiotherapy may be necessary. We describe the case of a 29-years-old male patient complaining of an orbital mass sensation for 6 months and a history of previous sinus involvement from Rosai-Dorfman disease. Ophthalmic examination showed proptosis of the right eye and swelling of right lower eyelid. Computed tomography of the orbits disclosed a solid extraconal lesion in the inferior right orbit. After surgical excision there was a significant clinical improvement. Histopathologic examination confirmed the diagnosis of Rosai-Dorfman disease. We also review the clinical picture and differential diagnosis of this condition.