Doughnut sign of hepatic alveolar echinococcosis on FDG PET/CT: Clinical case report

Rationale: A characteristic metabolic finding of hepatic alveolar echinococcosis (HAE) on positron emission tomography/computed tomography (PET/CT) correlates with morphologic features on CT and magnetic resonance imaging (MRI). Patient concerns: A young man from an endemic area was admitted to our hospital due to right upper quadrant pain for 2 months. Diagnosis: CT and MRI revealed a heterogeneous mass with calcification, consisting of central necrosis and peripheral solid inflammatory tissues. Accordingly, FDG PET/CT demonstrated a characteristic metabolic finding of doughnut sign. Combining the above characteristic imaging features with positive serologic findings, the patient was diagnosed as HAE. Interventions: He then underwent extracorporeal hepatectomy and liver autotransplantation followed by medical treatment of benzimidazoles. Outcomes: He remained asymptomatic without evidence of recurrence at 2-year follow-up. Lessons: The characteristic metabolic appearance of HAE on FDG PET/CT, correlated with its morphologic features of CT and MRI, may allow to make accurate diagnoses.
Source: Medicine - Category: Internal Medicine Tags: Research Article: Clinical Case Report Source Type: research

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Abstract Hydatidosis is an important zoonotic parasite disease in several herbivorous mammals. Human cystic echinococcosis (CE) caused by infection with larval stage of Echinococcus granulosus has been frequently reported from different organs. Here, we report the first case of a urinary echinococcosis in Iran with a pain in the lower left abdominal quadrant and severe frequent urination (pollakiuria). We detected a cyst 120 × 15 mm dimensions with heterogeneous mass contain fluid in the back of the urinary bladder neck between the umbilical region and external urethral sphincter. The patient was candidate f...
Source: Archives of Iranian Medicine - Category: Middle East Health Authors: Tags: Arch Iran Med Source Type: research
This study aimed to analyze the demographic, clinical, diagnostic and therapeutic data of CE patients across all provinces in Iran. In this cross-sectional study, the mentioned data were routinely collected by provincial medical universities during the time from March 2016 to March 2017. The provincial population census was used to calculate the prevalence of CE per 1,000,000 populations for all provinces.T test and Chi squared test were used to compare variables between genders. Statistical analysis was done at 95% significant level using STATA 14 software. The overall prevalence of CE was 6.8 cases per 1,000,000 populati...
Source: Journal of Parasitic Diseases - Category: Parasitology Source Type: research
ConclusionThe presence of any cystic lesion in any organ in a patient from an endemic area for hydatid disease should raise the suspicion to this possibility. Treatment options should be chosen by a multidisciplinary team; certain group of patients may benefit from medical treatment. Surgery is still the main treatment modality.
Source: Journal of Pediatric Surgery Case Reports - Category: Surgery Source Type: research
We present the case of a 33-year old woman from the region of Ica who, during gestation, was diagnosed with liver and pulmonary hydatidosis. After gestation was terminated, she was referred with thoracic drainage tube, dyspnea, and thoracic pain in right hemithorax, with progressive course and tomographic image of thorax showing right posterior basal pulmonary cyst. The serological analysis was positive, the patient underwent surgical resection with histopathologic result as complex non-viable pulmonary hydatidic cyst and mycotic structure consistent with aspergilloma. The coexistence of these two diseases is rare and can ...
Source: Revista Peruana de Medicina de Experimental y Salud Publica - Category: International Medicine & Public Health Tags: Rev Peru Med Exp Salud Publica Source Type: research
ConclusionCardiac hydatid cyst is a rare finding with a wide range of signs and symptoms. We are reporting this case to underline that cardiac hydatidosis should be considered as a differential diagnosis in young patients who suddenly develop acute limb ischaemic without a history of both cardiac diseases and trauma that lives in endemic regions of hydatidosis.
Source: International Journal of Surgery Case Reports - Category: Surgery Source Type: research
We describe a case of a 34-year-old woman who presented with epigastric pain for 1 month. Contrast-enhanced computed tomography demonstrated a 4.0-cm hypodense mass in the pancreatic head and an uncinate process with suggestion of hyperdense/enhancing curvilinear densities. Magnetic resonance imaging with and without intravenous contrast showed a nonenhancing cystic mass. Endoscopic ultrasound demonstrated a cystic structure with curvilinear floating membranes consistent with the water lily sign, pathognomonic of hydatid disease. Enzyme-linked immunosorbent assay for echinococcal antigen was positive. PMID: 31007629 [PubMed]
Source: Baylor University Medical Center Proceedings - Category: Universities & Medical Training Authors: Tags: Proc (Bayl Univ Med Cent) Source Type: research
nel C Abstract Cystic echinococcosis, or hydatidosis, also known as hydatid cyst, is a cosmopolitan parasitosis mainly present in breeding areas. This anthropozoonosis is related to the tissue development of an hydatid of an echinococcus tænia, Echinococcus granulosus, found in the digestive tract of canids, at the adult state. In France, this larval cestosis is essentially an import disease developed by patients from endemic areas such as East and North Africa, South America or Asia. However, autochtonous forms, although rare, still persist. Here we describe the case of a 39-year-old non-smoking patien...
Source: Annales de Pathologie - Category: Pathology Authors: Tags: Ann Pathol Source Type: research
Authors: Nosrati A, Soleymani E, Davoodi L Abstract Echinococcus granulosus has been described as the common etiology of hydatid cysts in many parts of the world. A 54-yr-old female with lower abdominal pain referred to Gynecology Ward of Sari Imam Khomeini Hospital, Iran in 2016. Sonography was carried out and cysts in ovaries and liver were observed. The cysts of liver seemed to be hydatidosis but physicians were suspected about ovarian cystic mass. Anti-Echinococcus antibodies (ELISA) screen was positive. The operation was done on her and treatment by albendazole started one week before surgery and continued aft...
Source: Iranian Journal of Parasitology - Category: Parasitology Tags: Iran J Parasitol Source Type: research
ConclusionsHydatid cystic disease of the skeletal system is a rare presentation of a common disease. A multidisciplinary approach is optimal for the management of these cases. Long-term follow-up is mandatory to prevent complications and recurrence, and to monitor residual disabilities.
Source: Journal of Taibah University Medical Sciences - Category: Universities & Medical Training Source Type: research
Tunisia is an endemic area for lung hydatidosis. The clinical presentation depends on whether the cyst is intact or ruptured. We aimed to compare the clinical and therapeutic features between intact and ruptured hydatid cysts of the lung.Between January 2014 and December 2017, 152 patients were managed for a lung hydatid disease in the thoracic surgery department of Abderrahmen Mami hospital. A retrospective analysis was performed and the patients were divided into two groups based on whether the hydatid cyst was intact (group 1, n=43) or ruptured (group 2, n=109).The median age was 36 years old[5-84years]. Reported compli...
Source: European Respiratory Journal - Category: Respiratory Medicine Authors: Tags: Paediatric respiratory epidemiology Source Type: research
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