Chocolate Discharge from the Scrotum: An Unusual Presentation of Bilateral Hydrohematocele

Technical Summary: Bilateral Hydrohematocele Presenting as Chocolate Discharge

Problem Statement
Hydrocele is a prevalent benign cause of scrotal swelling in elderly males, typically presenting as painless, fluid-filled sacs. However, rare variants such as hydrohematocele—characterized by hemorrhagic fluid accumulation within the tunica vaginalis—pose significant diagnostic challenges. These cases are particularly difficult to distinguish from pyoceles (pus-filled sacs) or neoplasms based on clinical presentation alone. The specific problem addressed in this report is the extreme rarity of bilateral hydrohematocele, especially in the absence of trauma, infection, or systemic illness, and the diagnostic uncertainty it creates when fluid appears hemorrhagic ("chocolate-colored") rather than serous.

Methodology
This study employs a single-case report methodology involving a 65-year-old male patient with a three-year history of progressive bilateral scrotal swelling. The investigation followed a standard clinical and surgical workflow:

1. Clinical Assessment: The patient underwent physical examination noting firm, non-tender, non-reducible swellings (15 × 8 cm) with no transillumination. The patient's history included chronic alcoholism (30+ years) but no trauma or fever.
2. Imaging: Ultrasonography was utilized to characterize the internal structure of the swellings, revealing heterogenous loculations, thick internal echoes, thickened tunica vaginalis, and wall calcifications.
3. Surgical Exploration: Under spinal anesthesia, the scrotal sacs were explored. The procedure involved the evacuation of fluid and assessment of the testes.
4. Intervention: Due to the presence of atrophic testes, the diagnostic uncertainty regarding potential neoplasia or chronic infection, and the nature of the fluid, a bilateral orchidectomy was performed.
5. Histopathological Analysis: Excised tissues and fluid were subjected to histopathological examination to confirm the diagnosis and rule out malignancy.

Key Results

• Intraoperative Findings: Surgical exploration revealed the discharge of thick, chocolate-colored fluid from both scrotal sacs. The testes were observed to be atrophic, while the spermatic cords appeared normal.
• Histopathological Confirmation: Microscopic examination confirmed the diagnosis of bilateral hydrohematocele. The findings included organized hemorrhagic fluid and chronic inflammatory changes. Crucially, the analysis ruled out infection (pyocele) and malignancy.
• Clinical Correlation: The case demonstrated that chronic alcoholism may be a predisposing factor for vascular fragility, potentially leading to spontaneous bleeding within a pre-existing chronic hydrocele, even without a history of trauma.

Key Contributions

• Documentation of Rarity: The paper reports an exceptionally rare instance of bilateral hydrohematocele occurring without trauma or comorbidities other than chronic alcoholism.
• Diagnostic Differentiation: It highlights the clinical mimicry between hydrohematocele and pyocele or tumors, emphasizing that the "chocolate-colored" fluid is a distinct intraoperative finding that requires histopathological verification.
• Management Protocol: The case illustrates the necessity of surgical exploration and histopathological evaluation in elderly patients with chronic scrotal swellings containing hemorrhagic fluid to definitively exclude life-threatening pathologies like malignancy.

Significance and Claims
The authors assert that bilateral hydrohematocele is a critical, albeit rare, differential diagnosis for chronic scrotal swellings with hemorrhagic content. The significance of this case lies in its demonstration that:

1. Diagnostic Caution: Clinicians must consider hydrohematocele in elderly patients, particularly those with vascular risk factors like chronic alcoholism, when standard hydroceles present with atypical fluid characteristics.
2. Surgical Necessity: Intraoperative findings of atrophic testes and diagnostic uncertainty may necessitate orchidectomy to ensure the exclusion of neoplasia, though histopathology remains the gold standard for final diagnosis.
3. Prevention of Misdiagnosis: Awareness of this condition is essential to prevent the misclassification of hemorrhagic collections as infectious pyoceles or tumors, thereby guiding appropriate management and avoiding unnecessary delays in treating potential underlying pathologies.

The paper concludes that while the condition is rare, early surgical exploration and rigorous histopathological evaluation are indispensable for accurate diagnosis and the exclusion of other serious pathologies in this patient demographic.