1.Magnetic resonance imaging appearance of foreign-body granulomatous reactions to dermal cosmetic fillers.
Andre Luiz Ferreira COSTA ; Rubens CALIENTO ; Glauber Bareia Liberato DA ROCHA ; Joao Pedro Perez GOMES ; Alison Jhisel Calle MANSMITH ; Claudio Froes DE FREITAS ; Paulo Henrique BRAZ-SILVA
Imaging Science in Dentistry 2017;47(4):281-284
Foreign body granulomas can develop after the injection of various cosmetic filling materials into the facial area to flatten wrinkles. Clinically, reactive lesions are easily mistaken for soft-tissue neoplasms or cysts. This report presents a case of foreign body granuloma in a 52-year-old female patient complaining of a painless swelling in the nasolabial region. Both clinical and histological features are described, underscoring the diagnostic role of magnetic resonance imaging findings.
Female
;
Granuloma, Foreign-Body
;
Humans
;
Magnetic Resonance Imaging*
;
Middle Aged
2.Cone-beam computed tomography texture analysis can help differentiate odontogenic and non-odontogenic maxillary sinusitis
Andre Luiz Ferreira COSTA ; Karolina Aparecida Castilho FARDIM ; Isabela Teixeira RIBEIRO ; Maria Aparecida Neves JARDINI ; Paulo Henrique BRAZ-SILVA ; Kaan ORHAN ; Sérgio Lúcio Pereira de Castro LOPES
Imaging Science in Dentistry 2023;53(1):43-51
Purpose:
This study aimed to assess texture analysis (TA) of cone-beam computed tomography (CBCT) images as a quantitative tool for the differential diagnosis of odontogenic and non-odontogenic maxillary sinusitis (OS and NOS, respectively).
Materials and Methods:
CBCT images of 40 patients diagnosed with OS (N=20) and NOS (N=20) were evaluated. The gray level co-occurrence (GLCM) matrix parameters, and gray level run length matrix texture (GLRLM) parameters were extracted using manually placed regions of interest on lesion images. Seven texture parameters were calculated using GLCM and 4 parameters using GLRLM. The Mann-Whitney test was used for comparisons between the groups, and the Levene test was performed to confirm the homogeneity of variance (α=5%).
Results:
The results showed statistically significant differences (P<0.05) between the OS and NOS patients regarding 3 TA parameters. NOS patients presented higher values for contrast, while OS patients presented higher values for correlation and inverse difference moment. Greater textural homogeneity was observed in the OS patients than in the NOS patients, with statistically significant differences in standard deviations between the groups for correlation, sum of squares, sum of entropy, and entropy.
Conclusion
TA enabled quantitative differentiation between OS and NOS on CBCT images by using the parameters of contrast, correlation, and inverse difference moment.
3.Comparative study of the digastric and the stylohyoid muscles between wild boars (Sus scrofa scrofa) and domestic swine (Sus scrofa domesticus): revisiting the gross anatomy
Henrique Inhauser Riceti MAGALHÃES ; Jeferson Borges BARCELOS ; Fabiano Braz ROMÃO ; Tânia Ribeiro Junqueira BORGES ; Roseâmely Angélica de CARVALHO-BARROS ; Maria Angelica MIGLINO ; Frederico Ozanam Carneiro E SILVA ; Lucas de Assis RIBEIRO
Anatomy & Cell Biology 2021;54(2):202-211
Considering Suidae Familie as a perfect and viable experimental biomedical model for research applied to human medicine, it has been sought to describe the comparative anatomy of the digastric and the stylohyoid muscles between boars and domestic swine. Heads of Sus scrofa scrofa and Sus scrofa domesticus were dissected. The digastric muscle presented only one muscle belly as anatomical component of a tendinous origin in the jugular process of the occipital bone, and muscle insertion in the midventral edge of the caudal two thirds of the body of the mandible. Thus, its function is fundamentally associated with the lowering and the retracting of the mandible which, by the way, can deliver greater muscle power at lesser energy expense. For the stylohyoid muscle, the tendinous origin was in the laterocaudal edge of the dorsal third of the stylohyoid bone. The muscle insertion - primarily, was in the lateral and caudal edges from the mid third portion up to the ventral extremity of the thyrohyoid bone, and secondarily as a laterolateral aponeurotic blade which would unite, in a bilateral manner, an insertion that was common to the sternohyoid, the geniohyoid, and the mylohyoid muscles in a median ventral region. This morphology were similar to the two specimens studied expanding the information available, which were completely unknown for the suidae until the moment.
4.Comparative study of the digastric and the stylohyoid muscles between wild boars (Sus scrofa scrofa) and domestic swine (Sus scrofa domesticus): revisiting the gross anatomy
Henrique Inhauser Riceti MAGALHÃES ; Jeferson Borges BARCELOS ; Fabiano Braz ROMÃO ; Tânia Ribeiro Junqueira BORGES ; Roseâmely Angélica de CARVALHO-BARROS ; Maria Angelica MIGLINO ; Frederico Ozanam Carneiro E SILVA ; Lucas de Assis RIBEIRO
Anatomy & Cell Biology 2021;54(2):202-211
Considering Suidae Familie as a perfect and viable experimental biomedical model for research applied to human medicine, it has been sought to describe the comparative anatomy of the digastric and the stylohyoid muscles between boars and domestic swine. Heads of Sus scrofa scrofa and Sus scrofa domesticus were dissected. The digastric muscle presented only one muscle belly as anatomical component of a tendinous origin in the jugular process of the occipital bone, and muscle insertion in the midventral edge of the caudal two thirds of the body of the mandible. Thus, its function is fundamentally associated with the lowering and the retracting of the mandible which, by the way, can deliver greater muscle power at lesser energy expense. For the stylohyoid muscle, the tendinous origin was in the laterocaudal edge of the dorsal third of the stylohyoid bone. The muscle insertion - primarily, was in the lateral and caudal edges from the mid third portion up to the ventral extremity of the thyrohyoid bone, and secondarily as a laterolateral aponeurotic blade which would unite, in a bilateral manner, an insertion that was common to the sternohyoid, the geniohyoid, and the mylohyoid muscles in a median ventral region. This morphology were similar to the two specimens studied expanding the information available, which were completely unknown for the suidae until the moment.