Muscle injuries are often reported in humans, but uncommon in dogs. The etiology is degenerative or traumatic, and traumatic is more common in athletes. The diagnosis is obtained by a combination of orthopedic physical examination and imaging diagnosis, such as ultrasonography. Therapy aims to optimize healing and avoid complications. The present study reports a case of partial rupture of thigh adductor muscle in a dog presenting acute lameness of the right pelvic limb. Swelling and pain in the medial region of the thigh was noticed. Ultrasound examination confirmed partial rupture of the thigh adductor muscle. The treatment included non-steroid anti-inflammatory, warm compresses, and rest. Ultrasound examinations were useful in this case to evaluate the progression of the lesion, which was rapid and satisfactory. RESUMOLesões musculares são frequentemente relatadas em humanos, mas pouco diagnosticadas em cães. Podem ocorrer de forma degenerativa ou traumática, sendo essa última a forma mais comum em atletas. O diagnóstico é obtido por exame físico ortopédico associado a exames de imagem, como ultrassonografia. A terapia deve ser instituída de modo a facilitar a cicatrização e evitar as complicações. O presente trabalho tem como objetivo relatar um caso de ruptura parcial de músculo adutor da coxa em um cão que apresentou claudicação aguda em membro pélvico direito, associado à tumefação e dor em região medial da coxa. O exame ultrassonográfico evidenciou ruptura parcial do músculo adutor da coxa. O paciente recebeu terapia anti-inflamatória, e foi indicado uso de compressas quentes e repouso. Foram realizados exames ultrassonográficos para acompanhamento da evolução do quadro, que foi rápida e favorável.
Intra-abdominal or intrascrotal testicular torsion in dogs occurs due to spermatic cord rotation. Dogs with testicular torsion commonly present severe pain and require surgical intervention. Torsion of intra-abdominal retained testicles in cryptorchid adult dogs is often associated with the presence of testicular neoplasia. Herein, we reported the case of a 5-year-old male poodle with uncommon intra-abdominal testicular torsion (ITT) of a non-neoplastic testicle. The dog was referred to the veterinary hospital with acute abdominal pain in the hypogastric region. An intra-abdominal gonad and alterations compatible with testicular torsion were visualized during ultrasound examination. Orchiectomy and histopathological analysis of the testes confirmed the diagnosis of ITT in the absence of neoplasia. The patient recovered uneventfully from the situation. This report showed that ITT can occur in adult dogs in the absence of testicular neoplasia and reinforce the message that it should be included as a differential diagnosis in cases of acute abdominal pain in cryptorchid dogs. Furthermore, the ultrasound examination in this case of pain in the hypogastric region was decisive for the diagnosis of ITT.
RESUMO.O condrossarcoma é uma neoplasia óssea com características malignas, que se desenvolve a partir dos tecidos cartilaginosos, classificado na categoria dos sarcomas, está entre os três tumores que mais acometem a região pélvica dos cães. O objetivo deste relato é descrever o caso de um condrossarcoma localizado na articulação sacro-ilíaca direita num paciente canino, fêmea, de 8 anos de idade, da raça Pastor Alemão. Salientando a importância do exame radiográfico na conclusão diagnóstica, ressaltando que o exame histopatológico é o exame de predileção para o diagnóstico definitivo desta afecção. Palavras chave: Neoplasia, pelve, tecidos cartilaginososChondrosarcoma evolution of sacral joint -iliac in a dog: Case report ABSTRACT. Chondrosarcoma is a malignant neoplasm of bone that develops from the cartilaginous tissues, classified in the category of sarcomas, among the three tumors that most affect the pelvic region of dogs. The objective of this report was to describe the case of a chondrosarcoma located in the right sacroiliac joint in an 8-year-old female canine patient of the German shepherd breed. In this way, we emphasize the importance of the radiographic examination in the diagnostic conclusion, emphasizing that the histopathological examination is the examination of predilection for the definitive diagnosis of this affection. Keywords: Neoplasia, pelvis, cartilaginous tissuesEvolución de condrosarcoma en articulación sacroilíaca en canino: Reporte de un caso RESUMEN. El condrosarcoma es una neoplasia ósea con características malignas, que se desarrolla a partir de los tejidos cartilaginosos, clasificado en la categoría de los sarcomas, está entre los tres tumores que más afectan la región pélvica de los perros. El objetivo de este relato es describir el caso de un condrosarcoma localizado en la articulación sacroilíaca derecha en un paciente canino, hembra, de 8 años de edad, de la raza Pastor Alemán. Destacando la importancia del examen radiográfico en la conclusión diagnóstica, resaltando que el examen histopatológico es el examen predilecto para el diagnóstico definitivo de esta afección.
Background: Rectal tumors are uncommon in dogs and cats. The clinical signs result from intra- and extraluminal compression. Diagnosis and treatment of rectal tumors are challenging due to their intraplevic location. Owing to considerable bone superposition, computed tomography is the best exam to evaluate the tumor and plan surgery; however, poor availability and high costs may hinder its use. The objective of this case report is to describe the successful use of a combination of diagnostic techniques, namely transrectal ultrasound, transrectal fine-needle aspiration, and colonoscopy, for diagnosis and surgery planning in a case of intrapelvic intestinal leiomyoma in a dog.Case: A 13-year-old female mongrel dog with tenesmus, low stool production, and hematochezia for two months was presented for examination. During this two-month period, a symptomatic treatment was administered, but there was no clinical improvement. In the clinical evaluation revealed a painless mass on the left dorsolateral region, at a depth of around 4 cm, with considerable luminal reduction. Abdominal ultrasound revealed a mass close to the descending colon; however, bone superposition precluded identification of its origin or delimitation of its boundaries. The patient was subjected to transrectal ultrasound imaging, colonoscopy, and cytological examination of fine-needle aspiration biopsy material collected under general anesthesia. The mass was located at the final portion of the descending colon; it was extraluminal, and measured around 7 x 7 cm. The integrity of the intestinal wall was preserved. Next, radiographic examination of the thorax using three projections (ventrodorsal, left lateral, and right lateral) was performed to check for metastases, and no alteration was detected. Cytology suggested presence of leiomyoma. The patient underwent exploratory laparotomy with pubic osteotomy for intrapelvic access. The extraluminal mass was found adhered to the dorsal colorectal surface, whose serosa was compromised. The mass, which occupied around 80 to 90% of the pelvic canal, was completely removed and submitted to histopathological examination, which confirmed presence of proliferative neoplastic mesenchymal cells (intestinal leiomyoma). The patient's clinical picture evolved without intercurrences, and the patient was discharged 40 days after the pubic bone consolidation procedure.Discussion: The occurrence of leiomyomas in the colorectal segment of the intestine is rare in dogs. Neoplasms that develop in such a region of the intestine are usually more frequently found in elderly animals, such as the patient of this report. Leiomyomas are benign (non-invasive) neoplasms with slow growth. Consequently, clinical signs emerge when the mass exhibits a large size, which causes intra- or extraluminal compression, tenesmus, diminished production or absence of defecation, and hematochezia, as observed in the present case. Even though the clinical signs are similar in these cases, they are unspecific; consequently, for reaching a diagnosis, biopsy and histological investigation are required. In spite of the usefulness of these procedures for diagnosis, computed tomography is the exam of choice to investigate neoplasms in intrapelvic intestinal segments because it allows three-dimensional reconstruction of the affected structures and facilitates surgical planning. Unfortunately, computed tomography was not available for this case. Consequently, colonoscopy, transrectal ultrasound, and transrectal fine-needle aspiration biopsy were performed. When combined, these procedures allowed determination of the location, size and type of neoplasm, which were crucial pieces of information for the correct diagnosis and surgical planning, thus contributing for the successful management of the patient.
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