Understanding hydrocele. causes, symptoms, and treatment options in patients

Nº de DOI: 10.34896/RSI.2025.77.16.001

AUTHORS

1. Michel Estephania Falconi Chávez. General Practitioner. Attached to the Basic Hospital San Pedro de Riobamba. Independent Researcher of the Research and Teaching Department Matilde Hidalgo of Procel. Graduate of the Chimborazo National University. (Riobamba -Ecuador). https://orcid.org/0009-0004-5017-3986
2. Diego Israel Zapata Mora. General Practitioner. Attached to Esperanza Hospital. Graduated from the University of Guayaquil (Machala-Ecuador). https://orcid.org/0009-0008-4146-6436
3. Orlyn Javier Izquieta Villamar. General Practitioner. Attached to Private Clinics of Ecuador. Graduated from the Catholic University of Cuenca. (Cuenca -Ecuador). https://orcid.org/0009-0004-5056-1735
4. Cristhian Francisco Zeas Bustamante. General Practitioner. Attached to Trauma Hospital. Graduated from the Catholic University of Cuenca. (Machala -Ecuador). https://orcid.org/0009-0005-4809-0185
5. Steffy Lilibeth Bodero Caicedo. General Practitioner. Attached to the Flor of the North Medical Center. Graduated from the University of Guayaquil. (Guayaquil -Ecuador). https://orcid.org/0009-0007-7963-7053

ABSTRACT

By delving into the intricacies of hydrocele—its causes, symptoms, and treatment options—this research paper aims to provide a holistic perspective that can inform healthcare providers and improve patient outcomes in the management of this prevalent condition.

KEY WORDS

Hydrocele etiology, hydrocele symptoms, management of hydrocele, surgical treatment for hydrocele and non-surgical hydrocele treatment are employed.

ABSTRACT

Al profundizar en las complejidades del hidrocele (sus causas, síntomas y opciones de tratamiento), este trabajo de investigación tiene como objetivo proporcionar una perspectiva holística que pueda informar a los proveedores de atención médica y mejorar los resultados de los pacientes en el manejo de esta afección prevalente.

PALABRAS CLAVE

Se emplean la etiología del hidrocele, los síntomas del hidrocele, el tratamiento del hidrocele, el tratamiento quirúrgico del hidrocele y el tratamiento no quirúrgico del hidrocele.

INTRODUCTION

Hydrocele, a condition characterized by the accumulation of fluid in the tunica vaginalis surrounding the testis, represents a significant clinical concern for many patients, warranting comprehensive understanding of its underlying causes, symptomatic expressions, and therapeutic interventions. The etiology of hydrocele is multifaceted, encompassing both congenital factors—such as developmental abnormalities during fetal growth—and secondary causes that arise in adulthood, including trauma, infections, or tumours. This condition often manifests through observable symptoms like scrotal swelling and discomfort, which can severely impact the daily lives and activities of affected individuals, prompting the need for effective diagnostic methods to differentiate hydrocele from similar conditions. The exploration of treatment options is equally critical; while non-surgical alternatives such as aspiration and compression may offer temporary relief, the need for surgical intervention becomes apparent in cases where hydrocele is recurrent or symptomatic. Understanding the potential risks and benefits associated with various treatment modalities not only aids in guiding clinical decision-making but also enhances patient education and management strategies.

OBJECTIVE

To provide a holistic perspective that can inform healthcare professionals and improve patient outcomes in the management of this prevalent condition.

METHODOLOGY

This scientific review investigates the causes, symptoms, and treatment options for hydrocele, with the aim of providing a comprehensive understanding of this condition. A systematic literature search is conducted using major electronic databases, including PubMed, Scopus, and Web of Science, to identify peer-reviewed articles, clinical studies, systematic reviews, and meta-analyses published within the past two decades. Search terms such as “hydrocele etiology,” “hydrocele symptoms,” “management of hydrocele,” “surgical treatment for hydrocele,” and “non-surgical hydrocele treatment” are employed. Additional references from relevant articles and clinical guidelines are also reviewed to ensure a broad and inclusive analysis.

The review includes studies focusing on both primary and secondary hydroceles, addressing their underlying causes, such as congenital factors, trauma, infections, or systemic conditions. Clinical presentations, including asymptomatic cases, scrotal swelling, and discomfort, are systematically analyzed to highlight the variability in symptomatology. Diagnostic approaches, including physical examination, imaging techniques such as ultrasound, and laboratory investigations, are evaluated to identify the most effective methods for accurate and timely diagnosis.

Treatment options are a central focus of the review, encompassing conservative management, minimally invasive procedures, and surgical interventions. Studies on needle aspiration, sclerotherapy, and various surgical techniques, including hydrocelectomy, are examined for their efficacy, safety, and long-term outcomes. Comparative analyses of these methods provide insights into their applicability in different patient populations and clinical scenarios.

Inclusion criteria prioritize articles that report on patient outcomes, such as symptom resolution, recurrence rates, and complications. The review also considers the socioeconomic and psychological impacts of hydroceles on patients, exploring how treatment strategies can improve overall quality of life.

Each study is critically assessed for its methodology, sample size, and relevance to clinical practice. Data are categorized into thematic sections: etiology, clinical features, diagnostic tools, and treatment modalities. Quantitative data, including success rates, complication frequencies, and patient satisfaction levels, are synthesized to identify trends and gaps in the current knowledge base.

RESULTS

Causes of Hydrocele

What are the primary causes of hydrocele in patients?

One of the primary causes of hydrocele in patients is the presence of infections such as epididymitis or orchitis, which can lead to inflammation and subsequent fluid accumulation in the scrotum¹. This fluid imbalance often results from the body’s response to infection, where increased vascular permeability and lymphatic disruption contribute to the development of a hydrocele². Additionally, congenital factors play a significant role, particularly in newborns and infants, where the failure of the processus vaginalis to close properly can lead to fluid accumulation around the testicle¹. Trauma to the testicular area is another notable cause, as injuries can disrupt normal fluid production and absorption mechanisms within the scrotum, leading to hydrocele formation^1,2. Less commonly, hydroceles may be associated with malignancies, including testicular tumours, which can cause localized fluid buildup due to obstructed lymphatic drainage or inflammatory responses¹. Hence, while hydroceles are generally benign, understanding these primary causes is essential for accurate diagnosis and appropriate management.

How do congenital factors contribute to the development of hydrocele?

The development of a hydrocele in infants is intricately linked to congenital factors, particularly the patency of the processus vaginalis. During foetal development, the testicles descend from the abdominal cavity into the scrotum, accompanied by a peritoneal fold known as the processus vaginalis¹. Normally, the proximal portion of this processus vaginalis is expected to obliterate, thereby preventing any communication between the peritoneal cavity and the scrotum¹. However, when this obliteration fails, the processus vaginalis remains patent, allowing peritoneal fluid to flow freely into the scrotum, leading to hydrocele formation¹. This persistence can cause fluid to accumulate around the testicles, forming what is known as a congenital hydrocele¹. Although these fluid-filled sacs typically close and the fluid is absorbed within the first two years of life, a failure in this process can result in a persistent hydrocele^3,4. Congenital hydroceles are present at birth in a significant number of cases, reinforcing the role of gestational and congenital factors in their development^3,4. Thus, understanding the anatomical and physiological processes involved in the formation of the hydrocele is crucial for early diagnosis and intervention, potentially preventing complications associated with this condition.

What are the secondary causes leading to hydrocele in adults?

In addition to congenital factors, several secondary causes can lead to the development of hydrocele in adults. One of the significant secondary causes is a blockage in the lymphatic system, which can result in the accumulation of fluid around the testicles⁵. Injury or trauma to the testicles is another common contributor, as physical damage can disrupt normal fluid balance and lead to hydrocele formation⁵. Infections, particularly those affecting the scrotum or testicular region, are also crucial factors; they can cause inflammation and subsequent fluid buildup, which manifests as a hydrocele⁵. The role of inflammation is particularly noteworthy, as it can stem from various sources, including infections and injuries, and directly contribute to the swelling and fluid accumulation that characterize hydroceles⁵. These interconnected domains—blockage, injury, infection, and inflammation—underscore the multifaceted nature of secondary hydrocele causes and highlight the need for comprehensive diagnostic approaches to address the underlying conditions effectively.

Symptoms of Hydrocele

What are the common symptoms experienced by patients with hydrocele?

The primary symptom of hydrocele is a noticeable swelling in the scrotum, predominantly affecting one or both testicles⁶. This swelling is generally painless, and patients often do not report any discomfort, even though the enlargement can be quite pronounced⁴. Despite the lack of pain, the size of the swelling can vary, potentially leading to a sense of heaviness or mild discomfort due to the sheer size of the fluid-filled sac². In clinical examinations, positive transillumination and fluctuation are frequently observed, helping to distinguish hydroceles from other types of scrotal masses¹. Moreover, the presence of this fluid can make it challenging for healthcare providers to palpate the testicle, thus complicating the physical examination². While the swelling itself is the most common and often the only symptom, it is crucial for patients to seek medical evaluation to rule out other conditions that might present similarly but require different treatments⁷.

How does hydrocele affect the daily life and activities of patients?

Hydrocele significantly impacts the daily life and activities of patients, primarily through discomfort and pain in the scrotum⁵. This discomfort can be exacerbated by certain physical activities, leading patients to avoid those that put strain on the testicles, such as heavy lifting or rigorous exercise⁸. For those who have undergone treatment, additional restrictions are necessary; patients are advised to avoid sexual activity and strenuous tasks for a specified period post-treatment to ensure proper healing⁸. Wearing supportive underwear can mitigate some symptoms, providing better comfort during daily activities⁵. Moreover, maintaining a healthy weight is crucial as it helps in managing the condition more effectively⁵. Proper hygiene is also essential to reduce the risk of infection, further influencing the daily routines of affected individuals⁸. Therefore, effective symptom management is vital to maintaining the quality of life for those suffering from hydrocele⁸.

What diagnostic methods are used to identify hydrocele based on symptoms?

In the diagnostic process for hydrocele, healthcare providers typically start with a thorough physical examination and patient history to identify the condition based on its clinical presentation^1,3. This initial step often involves the physician palpating the scrotum and testicles to check for swelling and tenderness⁹. During this examination, the provider may also ask detailed questions about the patient’s symptoms, such as the onset, duration, and any associated pain or discomfort^3,10. To further confirm the diagnosis, the provider might employ the technique of transillumination, where a light is shined through the scrotum; if the scrotal sac appears to be filled with fluid, it suggests the presence of a hydrocele⁹. In cases where the physical examination and patient history are inconclusive or if there are concerns about other underlying conditions such as epididymitis, testicular torsion, or tumours, additional diagnostic methods may be necessary¹. These can include imaging studies like ultrasounds, which are particularly useful for visualizing the fluid-filled sac and excluding other potential medical or surgical conditions^1,10. Ultrasounds are the most commonly used imaging modality due to their non-invasive nature and high accuracy in differentiating hydroceles from other scrotal masses¹⁰. While these diagnostic methods are generally sufficient, it is crucial to consider the patient’s overall health and any concomitant medical conditions to ensure a comprehensive evaluation.

Treatment Options for Hydrocele

What are the non-surgical treatment options available for hydrocele?

Hydrocele aspiration and sclerotherapy have emerged as prominent non-surgical treatment options for hydrocele correction, particularly for nonseptated simple hydroceles. This approach involves the aspiration of the hydrocele fluid followed by the injection of a sclerosing agent, such as doxycycline, directly into the sac. Studies have shown that this combination is particularly effective, offering a success rate of 84% with a single treatment¹¹. Not only does this method provide outcomes comparable to hydrocelectomy, it also avoids the hospital expenses and complications associated with surgical intervention¹¹. The use of doxycycline in sclerotherapy has further enhanced the efficacy of the procedure, marking a significant improvement over earlier methods that employed tetracycline, which had a success rate of 75%¹². Despite its effectiveness and cost-efficiency, hydrocele aspiration and sclerotherapy remain underused, highlighting a gap in the adoption of these non-surgical treatment methods¹². Therefore, there is a need for increased awareness and utilization of this procedure among healthcare providers to offer patients a viable alternative to surgery.

When is surgical intervention necessary for treating hydrocele?

Surgical intervention becomes critical for treating hydrocele when the condition persists despite non-surgical treatments or causes significant discomfort to the patient⁵. While many hydroceles resolve on their own without the need for medical intervention, there are specific circumstances that necessitate surgery⁵. A hydrocelectomy, which is a minimally invasive procedure, is often indicated when medication fails to effectively manage the hydrocele⁵. This procedure not only aims to drain the fluid but also involves the removal of the sac surrounding the hydrocele to prevent recurrence⁵. Furthermore, surgery is considered essential if the hydrocele significantly impacts the patient’s quality of life or leads to complications like infection, bleeding, or hernia^5,13. In cases where the hydrocele grows large or does not diminish on its own, surgical removal becomes imperative^13,14. Thus, surgical intervention is a multi-faceted approach addressing both the hydrocele and any associated complications, ensuring comprehensive treatment and improved patient outcomes¹³.

What are the potential risks and benefits associated with different treatment methods?

In evaluating the potential risks and benefits associated with different hydrocele treatment methods, it becomes evident that non-surgical options, such as aspiration and sclerotherapy, offer viable alternatives to surgery but come with their own set of challenges. These methods can reduce the need for invasive procedures, which is beneficial for patients who may have high surgical risks or prefer less invasive treatments¹³. However, the potential risks associated with these treatments, including discomfort, infection, and the possibility of recurrence, must be carefully considered¹³. Additionally, the plication technique, which involves minimal dissection and is suitable for thin-walled hydroceles, significantly reduces the risk of haematocele or infection, making it an attractive option for certain patients¹. Yet, each of these approaches, whether non-surgical or surgical, requires a thorough discussion between the patient and their healthcare provider about individual health status, ensuring that the chosen treatment aligns with the patient’s overall health and personal preferences¹³. As such, informed decision-making is paramount, emphasizing the importance of understanding both the risks and benefits to select the most appropriate treatment method for hydrocele¹³.

DISCUSSION

In examining the multifaceted nature of hydrocele formation, this research underscores the complex interplay between congenital, infectious, and traumatic factors that contribute to this condition, particularly in infants and adults. The persistence of the processus vaginalis, a congenital defect, plays a pivotal role in the formation of congenital hydroceles, highlighting the necessity for early diagnosis and intervention in affected newborns. The study emphasizes that while hydroceles are predominantly benign, their development can signal underlying pathological conditions such as infections, including epididymitis and orchitis, or even malignancies that necessitate vigilant evaluation. This research also draws attention to the often-overlooked non-surgical treatment alternatives, such as aspiration and sclerotherapy, which can provide effective symptomatic relief while minimizing the risks associated with operative procedures. Despite their potential benefits, these methods remain underutilized, indicating a need for increased awareness and education among healthcare providers regarding non-invasive treatment options. Furthermore, the analysis of secondary causes such as lymphatic obstruction and the impact of lifestyle factors, like the use of supportive underwear, enriches our understanding of hydrocele management and patient comfort. However, the study also acknowledges limitations, such as the variability in patient responses to treatment and the need for standardized protocols to assess treatment efficacy. Future research should focus on the long-term outcomes of non-surgical interventions compared to traditional surgical approaches, as well as the development of guidelines for the management of hydroceles in diverse patient populations. By framing hydrocele within this broader context, the findings of this paper contribute significantly to the existing body of knowledge and underscore the importance of a comprehensive, individualized approach to treatment that prioritizes patient well-being and informed decision-making. Ultimately, this discussion serves as a springboard for further exploration into optimizing hydrocele management strategies and improving patient outcomes in clinical practice.

CONCLUSIONS

1. Hydrocele is a common condition characterized by the accumulation of fluid within the scrotum, leading to symptoms such as scrotal swelling, discomfort, and in some cases, significant psychosocial distress. This review highlights the multifactorial nature of hydrocele, with causes ranging from congenital abnormalities and trauma to infections and systemic conditions. Early diagnosis, achieved through thorough clinical examination and imaging techniques like ultrasound, is essential for differentiating hydrocele from other scrotal pathologies and ensuring appropriate management.
2. Treatment strategies for hydrocele vary based on its severity, underlying cause, and the patient’s overall health status. While conservative management is effective for asymptomatic or mild cases, more advanced or symptomatic hydroceles often require procedural interventions. Needle aspiration and sclerotherapy offer minimally invasive alternatives, particularly in cases where surgery may not be feasible. However, surgical options, such as hydrocelectomy, remain the gold standard for definitive treatment, providing high success rates and low recurrence rates when performed with proper techniques.
3. This review underscores the importance of individualized treatment planning, particularly in vulnerable populations such as pediatric and geriatric patients. Pediatric hydroceles often resolve spontaneously, requiring careful monitoring rather than immediate intervention, whereas geriatric patients may benefit from tailored approaches considering comorbidities and surgical risks. Additionally, the psychosocial and quality-of-life implications of hydroceles should not be overlooked, as successful treatment can significantly alleviate the emotional burden associated with the condition.
4. Emerging evidence highlights the potential role of novel techniques and improved surgical methodologies in enhancing patient outcomes. However, disparities in access to healthcare resources and procedural expertise remain challenges in certain regions, necessitating broader dissemination of training and guidelines for hydrocele management.

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