Publications related to Cysts (10,000)
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Objectives:
Pyriform sinus cyst (PSC) and pyriform sinus fistula (PSF) is a rare congenital malformation that arises from the third or fourth branchial structure. In our study, we describe the safety and the utility of endoscopic electrocauterization against PSC/PSF.
Methods:
We retrospectively reviewed the records of patients who underwent endo...
Cystic lymphangioma is a rare malformative benign tumor of the lymphatic vessels with various localizations. The retroperitoneal localization is less frequent compared to the mesenteric one. Its clinical presentation is polymorphic. The diagnosis is evoked by imaging but requires histological confirmation. The treatment of choice is surgical. Cysti...
Background
Tarlov cysts are sacral perineural cysts arising between the peri and endoneurium of the posterior spinal nerve root at the Dorsal Root Ganglion and have a global prevalence rate of 4.27%. These are primarily asymptomatic (only 1% with symptoms) and typically arise in females between the ages of 50–60. Patients’ symptoms include radicula...
Purpose
Neurocysticercosis is common in regions endemic for Taenia solium. Active-stage neurocysticercosis can be treated with antiparasitic medication, but so far no study on efficacy and safety has been conducted in Africa.
Methods
We conducted a prospective cohort study on treatment of neurocysticercosis in Tanzania between August 2018 and Janu...
We describe the clinical characteristics of treatment-naïve polypoidal choroidal vasculopathy (PCV) in three tertiary clinic settings in 2 cities (Chicago in the USA and Nishinomiya in Japan). This cohort study was a retrospective, multicenter, consecutive case series. A total of 126 patients with treatment-naïve PCV—46 in Chicago and 80 in Nishino...
Background
Echinococcosis, also known as hydatid disease, is a zoonotic parasitic disease prevalent in pastoral areas, mainly involving the liver and lungs, and less frequently the bones and surrounding soft tissues. Diagnosis and treatment of bone hydatid disease is a challenge, and because of the insidious course of the disease, the lesions are o...
Objectives: This study aimed to examine headache neuroimaging findings among the pediatric population visiting the emergency department in Saudi Arabia. Methods: This was a cross-sectional retrospective study of pediatric patients who presented to the emergency department with a headache as their primary complaint. Data were extracted from the elec...
Background
Craniopharyngioma is a rare condition in children, but it is the most frequent tumor that occurs in the hypothalamic pituitary region. Chemical meningitis has been described as an uncommon postoperative complication, but no chemical meningitis due to a spontaneous rupture leading to craniopharyngioma diagnosis in children has been report...
Background: The broad spectrum of diagnoses and clinical features of hand tumors and the absence of pathognomonic signs often lead to an inaccurate or delayed diagnosis. However, only a few reports have comprehensively referenced the diagnosis and clinical features of hand tumors. This study intends to highlight the clinical, imaging and histologic...
Cardiac blood cysts are rare benign tumors. It is commonly found in the heart valve and left ventricle of newborns by autopsy and is rarely seen in adults [1, 2]. The typical histopathology of cardiac blood cysts is a closed, round, blood-containing cystic mass attached to the heart valve or endocardium. This article reports a rare case of sudden d...
Purpose of Review
Cancer immunotherapy is a treatment made by activating and strengthening the effects of immune system cells that destroy atypical cells like cancer in the body, such as natural killer cells and cytotoxic T lymphocytes. Solid tumors are abnormal tissue masses that usually do not contain areas of cyst or fluid. The cytotoxicity effe...
Cubital tunnel syndrome is a common disorder that affects the upper limb and involves compression of the ulnar nerve. However, this syndrome is rarely caused by multiple intraneural ganglion cysts. Of all intraneural ganglion cysts, only 9% affect the elbow. This study presents a case report of a 73-year-old female patient who manifested pain, numb...
The pancreatic pseudocyst contains pancreatic enzymes encapsulated by a non-epithelialized wall. They are rare in the pediatric population and are mostly a result of pancreatic trauma: extrinsic, or intrinsic. Management options include conservative or surgical, depending on the clinical signs and symptoms, and the size of the cyst.
Giardia is a protozoan that affects humans as well as a wide range of domestic species. It is distributed worldwide, and the highest frequency is seen in developing countries. Due to the potential for domestic cats to be carriers of this parasite and subsequently transmit the infection to humans, it is important to know the risk of transmission. Fo...
In those with pre & post SFS imaging, TKV (mean ± SD) decreased by 25.8 ± 21.5% & TLV by 11±20.9% with improvement in QOL-related reductions in mass effects. There was a 73±27.8% reduction in individual targeted cyst size; individual kidney cyst volumes decreased 83 ±20% and liver cyst volumes decreased 64.8 ± 30.8% While SFS did not augment effect...
Neurenteric cyst in a split cord malformation is a rare finding. We report an adult female becoming acutely symptomatic secondary to an expanding neurenteric cyst, though previous imaging had demonstrated stability. We discuss our workup and management with surgical resection and possible etiologies of her acute decline.
Purpose
To investigate morphological changes of intraretinal cyst in association with visual acuity following treatment for diabetic macular edema.
Methods
This retrospective study enrolled 105 eyes from 105 treatment naïve patients with diabetic macular edema following anti-vascular endothelial growth factor injections. Best-corrected visual acui...
Hydatid disease is a zoonosis caused by a larva of the tapeworm Echinococcus. All organs can be involved, but it is frequently located in liver for adults and lung for children. The clinical features are nonspecific. Imaging findings has an important place in the diagnosis and the follow-up. Rupture is the most common complication of a hydatic cyst...
Background
Colloid cysts have always provoked the interest of neurosurgeons due to their benign histology, wide variety of clinical presentations, and differences in reported surgical outcomes. Although recent studies have reported favorable outcomes with different surgical resection approaches, the transcallosal approach remains the most popular a...
A 54-year-old man was referred to our hospital because of a suspected esophageal submucosal tumor on upper gastrointestinal radiography. Contrast-enhanced computed tomography showed a 52 mm homogeneous mass attached to the lower thoracic esophagus. Esophagogastroduodenoscopy revealed a 50 mm submucosal tumor in the lower esophagus, and endoscopic u...
Odontogenic keratocyst has been of particular interest due to its distinctive behavior and its tendency to frequently recurrence and the diversity of treatment methods. Researchers have differed over the past decades about the nature of this lesion, sometimes it was classified as a cyst and sometimes it was classified as a tumor because of its spec...
Background: Pancreatic solid pseudopapillary neoplasia (Frantz‘s tumor, SPN) are rare and mainly found in young women. Due to its malignant potential resection is mandatory. We evaluated fundamental (US) and contrast enhanced ultrasonography (CEUS) for detection rate, typical features, and time to detection.
Patients & Methods Since 2005 in our ins...
Background
Cystic lesions of the gnathic bones present challenges in differential diagnosis. This category includes a smorgasbord of odontogenic and non-odontogenic entities that may be reactive or neoplastic in nature. While most cystic jaw lesions are benign, variability in biologic behavior makes distinction between these entities absolutely cru...
Objectives
Involvement of central nervous system (CNS) by Hydatid cyst is rare comprising 0.5–4% of all hydatid cysts and principally affecting those younger than 20 years, giving rise to cystic masses mostly in the cerebral hemispheres. To report the clinicopathological findings of CNS hydatid cysts, we diagnosed and review the findings of the pre...
About 1% of erythroderma cases have a neoplastic or paraneoplastic etiology. But erythroderma secondary to adenocarcinoma of ovary has not yet been reported in the scientific literature to best of our knowledge. A 54-year-old female patient presented to OPD with complaints of reddish itchy scaly lesions over body since 2 months. Based on history an...
Diffuse cystic lung disease due to pulmonary tuberculosis (TB) is rare. We describe an 8-year-old boy who presented with acute onset respiratory distress while on a compliant anti-tubercular treatment for a recently diagnosed pulmonary TB. On clinical examination, hypoxemia, clubbing, and features of the right-sided heart failure were observed. Hig...
Echinococcosis generally remains asymptomatic for many years, but it can also be fatal if complications like cyst rupture or superinfection occur. It is highly uncommon for a macroscopically non-ruptured cyst to cause death, and its exact mechanism is unknown. In the literature, there are several cases with identical characteristics diagnosed by au...
Pituitary abscesses are uncommon lesions accounting for <1% of all pituitary diseases. We report a case of a female microbiology technician with a rare congenital heart disease who developed an Rathke's Cleft Cyst abscess from Klebsiella. A 26-year-old female biotechnician with a history of congenital heart disease and subclinical immunosuppression...
Background:
Barotrauma frequently occurs in coronavirus disease 2019. Previous studies have reported barotrauma to be a mortality-risk factor; however, its time-dependent nature and pathophysiology are not elucidated. To investigate the time-dependent characteristics and the etiology of coronavirus disease 2019-related-barotrauma.
Methods and fin...
Background:
Hydatid cyst may remain asymptomatic for several years or may become complicated. The aim of this study is to evaluate the patients who were operated on for liver hydatid cyst in our clinic and the results of preoperative or postoperative complications.
Methods:
The data of 836 patients who underwent surgery (n = 750) or Puncture, As...
Optical coherence tomography (OCT) is an emerging imaging technique for diagnosing ophthalmic diseases and the visual analysis of retinal structure changes, such as exudates, cysts, and fluid. In recent years, researchers have increasingly focused on applying machine learning algorithms, including classical machine learning and deep learning method...
A wide range of inflammatory as well as neoplastic lesions can present as cutaneous and subcutaneous swellings all over the body. FNAC (Fine Needle Aspiration Cytology) is considered to be the first reliable technique for diagnosing them.
To assess the cytological spectrum of lesions presenting as skin and subcutaneous swellings.
It was an observat...
Purpose:
To investigate the clinical practices of diagnosing multicystic cervical lesions as a means to develop a more appropriate diagnostic algorithm for gastric-type adenocarcinoma (GAS) and its precursors.
Methods:
Clinical information for 159 surgically treated patients for multicystic disease of the uterine cervix was collected from 15 hos...
Nematode migration, feeding site formation, withdrawal of plant assimilates, and activation of plant defence responses have a significant impact on plant growth and development. Plants display intraspecific variation in tolerance limits for root-feeding nematodes. Although disease tolerance has been recognised as a distinct trait in biotic interact...
Anadromous European smelt (Osmerus eperlanus) is a keystone species in lake and river ecosystems. In the past and present, stock declines in several of its habitats have been reported. The reasons for this are unclear. Experimental research on the early life stages could help to reveal the potential causes. For this purpose, knowledge on artificial...
Background:
Percutaneous rupture of lumbar facet cysts (LFC) is the only nonsurgical treatment which is effective in directly reducing cysts. However, this is not yet a common procedure, and its effectiveness, including the associated complications, remains unclear. Therefore, this study aimed to evaluate the clinical outcomes of percutaneous rupt...
Mucous cyst or mucocele are epithelial lined cavities containing mucous that occurs mainly in the frontal and ethmoid sinuses. Intracranial mucocele is a rare occurrence. We are presenting an interesting case of a young lady, presented with fainting spells, syncopal attack, recurrent frontal headache and blurring of vision for at least 2 months pri...
Purpose:
Arthroscopy in popliteal cyst surgery enables addressing all components of its pathomechanism: the cyst wall, valvular mechanism, and concomitant intra-articular pathologies. Techniques differ as to the management of the cyst wall and the valvular mechanism. This study aimed to assess the recurrence rate and functional outcomes of a cyst...
the creative commons attribution noncommercial License. This allows others to remix, tweak, and build upon the work non commercially, as long as appropriate credit is given and the new creations are licensed under the identical terms. ABSTRACT An uncommon inherited disorder of dentin production called dentin dysplasia is characterised by spontaneou...
Choledochal cysts (CCs) are rare occurrences presenting as dilatations of biliary structures, which can present as single or multiple dilatations and can appear as both intra- and extrahepatic anomalies. The most widespread classification of CCs is the Todani classification, but there have been numerous reports of cysts that do not fall into any of...
Cysts of the bone are a common pathology that, although benign, are frequently treated because of their tendency to compromise the integrity of affected bone. Two common entities are unicameral bone cysts and aneurysmal bone cysts. Although these are two distinct pathologies, they are treated similarly and thus will be discussed in tandem. The opti...
Human echinococcosis is a zoonotic infection caused by the larvae of the tapeworm species Echinococcus. The liver is the most common location for a primary echinococcosis. However, the parasite may bypass or spread from the liver to the lungs, causing primary or secondary pulmonary echinococcosis, respectively. Pulmonary echinococcosis is a clinica...
In many species, only one oocyte is specified among a group of interconnected germline sister cells. In Drosophila melanogaster , 16-cell interconnected cells form a germline cyst, where one cell differentiates into an oocyte, while the rest become nurse cells that supply the oocyte with mRNAs, proteins, and organelles through intercellular cytopla...
Hop cyst nematode, Heterodera humuli Filipjev, 1934 was found in soil samples collected from hop farms in Bushy Park, Tasmania and in Merriang, Victoria, Australia. Morphological and molecular characteristics were consistent with those described for this species in other parts of the world. Novel gene sequences of ITS rRNA, 28S rRNA and CO1 mtDNA g...
Background: Odontogenic keratocyst (OKC) is one of the most common jaw cysts with high recurrence rate. Some possible factors affecting recurrence that have not been evaluated in previous studies are examined in this study. This study aimed to predict the recurrence rate of OKC and more viable treatment of OKC. Materials and Methods: In this descri...
This review investigates the association between neurodevelopmental disorders (NDD) and variations of the gene HNF1B. Heterozygous intragenetic mutations or heterozygous gene deletions (17q12 microdeletion syndrome) of HNF1B are the cause of a multi-system developmental disorder, termed renal cysts and diabetes syndrome (RCAD). Several studies sugg...
Introduction: Endometriosis is characterized by the presence of endometrial tissue outside the uterus and is commonly associated with chronic pelvic pain and infertility. One of the endometrial changes that appear in the eutopic and ectopic endometrium of women with endometriosis is the regulation of apoptosis. The proportion value of the BAX/BcL-2...
Background and Objectives: Macular edema (ME) is a common complication of intermediate uveitis (IU). It is often responsible for a decrease in visual acuity (VA). Three distinct patterns of macular edema have been described in intermediate uveitis, namely, cystoid macular edema (CME), diffuse macular edema (DME), and serous retinal detachment (SRD)...
Intraspinal juxtafacet cysts are caused by spinal degeneration. The formation of bilateral cysts leading to bilateral L5 radiculitis and neurological claudication is extremely rare. We herein report the case of an 83-year-old male presenting with bilateral sciatica and neurological claudication. Magnetic resonance imaging has demonstrated bilateral...
The aim of this case study was to report a very uncommon and rarely seen, but serious condition, involving spine. Hydatid cyst is caused by Echinococcus granulosus mainly. It is rarely found in spine, lumbar spine is least commonly involved in spine. A 14 years old boy with lower back pain radiating to both lower limbs observed in the hospital. Ass...
Congenital paraurethral cyst rarely occurs. Its natural history is spontaneous regression, leading to conservative management adoption. We report an exceptional case of a 13-year-old female with a persistent congenital paraurethral cyst, leading to dysuria. We surgically excised the cyst, and the outcomes
were unremarkable 20 months postoperatively...
This study is the first report of an infestation of amoeba in the gills of asymptomatic Oreochromis sp. from the Manir River, Terengganu, Malaysia. The results confirmed the presence of two species of amoeba, Vermamoeba vermiformis and Tetratmitus sp., based on the 18 ribosomal RNA gene sequences with 99% sequence similarity. Morphological observat...
Environmental factors significantly influence the transmission of intestinal protozoan diseases. Cryptosporidiosis and giardiasis are important zoonotic diseases characterized by diarrhea, and are mainly water or foodborne diseases caused by fecal-borne oocysts. The One Health approach effectively addresses environmentally influenced zoonotic disea...
Purpose
Large Rathke’s cleft cysts (LRCCs) and cystic craniopharyngiomas (CCPs) arise from the same embryological origin and may have similar MR presentations. However, the two tumors have different management strategies and outcomes. This study was designed to evaluate the clinical and imaging findings of LRCCs and CCPs, aiming to evaluate their p...
Introduction
Hypertension is an early finding of autosomal dominant polycystic kidney disease (ADPKD) and is related to different mechanisms. Cyst expansion-related renin secretion or early endothelial dysfunctions are some of these hypotheses. In addition, the underlying genetic factor is thought to play a role in the inheritance of hypertension....
Background:
Primary retroperitoneal mucinous cystic tumours with borderline malignancy (PRMC-BM) are rare and difficult to diagnose preoperatively. We are the first to report two cases of PRMC-BM which mimic a duplex kidney and evaluate the outcomes of different surgical procedures.
Case presentation:
We describe two cases of retroperitoneal cys...
Surgical treatment is indicated for both symptomatic and asymptomatic bronchogenic cysts. The goal of treatment is total removal of the cyst. Percutaneous aspiration and absolute ethanol sclerotherapy is an effective, minimally invasive, and safe alternative method. We present the case of a 74-year-old woman with a symptom of persistent dry cough f...
Hydatid cyst, which causes important public health problems, is a disease frequently reported by radiologists. Classification of hydatid cyst types is very important to give the most suitable cure to patients. In order to decrease the misclassification rates of these cysts, machine learning is a good solution to create intelligent medical assistant...
Background: The case of a huge pelvic stone with cystic wall urothelial carcinoma is extremely rare. The disease has no specific clinical manifestation, and its formation mechanism is unclear. There is no relevant literature report at present.
Case introduction: In this report, a 65-year-old male patient was admitted to the hospital due to frequent...
The objective of this study is to assess the occurrence of intestinal parasites in Mediterranean pond turtle Mauremys leprosa leprosa collected from three contrasting environments in Morocco. Stool samples from 92 turtles were examined for parasite detection and enumeration. The identified intestinal parasites belong to helminths (Oxyurids and Asca...
Colloid adenocarcinoma of the lung is a rare subtype of lung adenocarcinoma, accounting for only about 0.24% of lung cancers. Because of its rarity, long‐term postoperative prognostic reports are limited. In this report, we describe a case of colloid adenocarcinoma of the lung with a 5‐year recurrence‐free follow‐up. The patient is a 66‐year‐old wo...
An 81-year-old woman with cancer-associated histories of encephalorrhagia and gastrectomy developed a fever, respiratory failure and mild disturbed consciousness. Blood tests were unremarkable except for elevated D-dimer (10.5 μg/mL) and CRP (0.51 mg/dL) levels. Contrast-enhanced computed tomography revealed mild pneumonia, inferior vena cava (IVC)...
Introduction:
Fluorescence guided surgery for the identification of colorectal liver metastases (CRLM) can be better with low specificity and antecedent dosing impracticalities limiting indocyanine green (ICG) usefulness currently. We investigated the application of artificial intelligence methods (AIM) to demonstrate and characterise CLRMs based...
Epidermoid cyst is a frequently encountered cutaneous or subcutaneous cyst. Non-(sub)cutaneous epidermoid cysts are rarely found. We present a case of a 60-year-old man with an incidental mass in the left flank which turned out to be a preperitoneal located epidermoid cyst. This is, to the best of our knowledge, the first citation of an epidermoid...
Toxoplasmosis is one of the important parasitic zoonotic diseases, creating significant productive and reproductive losses and issues of public health significance. The causative agent Toxoplasma Gondi is an obligate intracellular pathogenic protozoan. The definitive hosts of Toxoplasma Gondi are cats while mammals and birds are intermediate host....