Abdominal ultrasound revealing global pathways

Silent Signs: What Abdominal Scans Reveal About HIV in Togo

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Avery Sinclair in Health & Wellness November 2026 • 4 min read.

"A new study uncovers unexpected abdominal abnormalities in asymptomatic HIV patients in Lomé, Togo, highlighting the importance of accessible screening."


HIV/AIDS is known for its widespread impact, and while many associate it primarily with respiratory issues, abdominal complications are also remarkably common. These complications can arise both from the HIV infection itself and from other related conditions.

Unfortunately, detailed studies on the abdominal effects of HIV/AIDS, especially using imaging techniques like ultrasound, are limited. However, abdominal issues rank second only to lung problems in HIV patients, making them a critical area of concern.

Now, researchers in Lomé, Togo, are shedding light on this important area. Their study focuses on using abdominal ultrasound to detect abnormalities in HIV-positive patients who aren't showing any symptoms. This research aims to improve our understanding and detection of these hidden health issues, potentially leading to earlier and more effective care.

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A Silent Health Burden

Abdominal scans may reveal health changes in people living with HIV, but imaging findings alone do not establish an HIV diagnosis. Their significance depends on clinical evaluation and confirmatory testing. In Togo, interpretation should therefore remain cautious and connected to broader medical care.

Imaging Is Not Diagnosis

Standard HIV diagnosis relies on appropriate medical testing rather than abdominal imaging alone. Scans can help investigate abdominal symptoms or complications, but they cannot independently confirm HIV infection. Their usefulness is therefore complementary, and results must be interpreted alongside clinical assessment.

From Retrovirus to Chronic Care

HIV is a retrovirus in the genus Lentivirus that attacks the immune system. Without treatment, infection can progress to AIDS, a late stage in which immune damage is severe. The CDC and HIV.gov both report that there is currently no cure, while effective treatment can help people with HIV live long, healthy lives; HIV.gov also states that treatment can prevent sexual transmission.

Unveiling Hidden Abnormalities: Key Findings from the Togo Study

Abdominal ultrasound revealing global pathways

Between 2009 and 2011, researchers at the University Hospital Campus Lomé conducted a detailed study using abdominal ultrasounds on 566 HIV-positive patients over the age of 15. These patients, while infected with HIV, were not showing any outward symptoms of abdominal issues. The findings revealed a number of unexpected abnormalities:

The study's results highlighted several key areas:

  • Liver Abnormalities: While 27% of patients had normal liver scans, a significant 18.9% showed signs of hepatic steatosis (fatty liver). Hepatomegaly, or enlarged liver, was observed in 65.4% of the participants.
  • Biliary Issues: A small percentage (2.1%) showed dilation of the main bile duct, indicating potential problems with the biliary system.
  • Kidney Changes: Over a quarter (28.1%) had abnormalities in their kidneys, specifically a loss of normal differentiation between the cortex and medulla.
  • Pancreatic Issues: Though rare, some patients (0.5%) showed signs of diffuse pancreatic hypertrophy, meaning an enlarged pancreas.
  • Spleen Enlargement: Splenomegaly, or an enlarged spleen, was remarkably common, affecting 68.4% of patients. In a smaller subset (1.1%), the spleen had a distinct micronodular pattern.
  • Lymph Node and Fluid Accumulation: Deeply located enlarged lymph nodes were found in 5.1% of patients, while ascites (fluid accumulation in the abdomen) was present in 8.1%.
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Testing Remains Essential

The Mayo Clinic reports that the only way to know whether a person has HIV is to get tested. It identifies sexual contact, shared needles or syringes, and pregnancy, delivery, or breastfeeding as routes through which the virus can spread. The source also states that medicine can control HIV levels in the blood and may prevent infection from worsening into AIDS.

Limits of Scan-Based Inference

An abdominal scan cannot by itself distinguish HIV infection from every other cause of abdominal abnormality. Imaging may identify findings that require investigation, but it does not replace HIV testing or clinical judgment. Overinterpreting a scan could therefore lead to uncertainty rather than a confirmed diagnosis.

Imaging and Laboratory Evidence

Abdominal imaging and HIV testing answer different clinical questions. Imaging examines internal structures and possible complications, while testing determines whether HIV infection is present. Comparing them as interchangeable methods would overstate what a scan can establish.

These findings underscore the prevalence of abdominal abnormalities in even asymptomatic HIV patients, emphasizing the need for routine screening.

Ultrasound: A Vital Tool for HIV Care in Developing Nations

The study concludes that abdominal ultrasound is a valuable and accessible tool in resource-limited settings like Togo. It offers a less expensive alternative to more advanced imaging techniques, such as CT scans, for investigating abdominal issues in HIV-positive individuals. The widespread use of ultrasound, coupled with skilled operators, can significantly improve the detection and management of these complications, leading to better outcomes for patients.

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Read Scans in Context

Abdominal scans can contribute useful information when clinicians investigate illness in someone who may have HIV. Their findings should be combined with symptoms, medical history, examination, and appropriate laboratory testing. A cautious, integrated interpretation is more reliable than treating any single imaging finding as definitive.

Better Integrated Care

Future progress will depend on linking imaging services with accessible HIV testing and treatment. Such integration could help clinicians investigate abdominal disease while identifying patients who need confirmatory testing and care. Any new imaging approach should be evaluated as a complement to, not a replacement for, established HIV diagnosis.

Access Shapes Outcomes

The value of abdominal imaging depends on whether patients can also reach qualified clinicians, HIV testing, and continuing treatment. Limited access at any point in that pathway can delay diagnosis or follow-up. Health systems therefore need coordinated services rather than relying on scans in isolation.

From Suspicion to Support

A scan may be the event that prompts a broader medical evaluation, but patients still need clear explanations and respectful care. Confirmatory testing is essential before labeling someone with HIV. When HIV is identified, sustained treatment can help people live long, healthy lives.

How findings compare across settings

The Togo source places ultrasound in the context of lower-cost abdominal imaging in sub-Saharan Africa, where it can serve as an alternative to CT for exploring abdominal manifestations of HIV. That role describes access and imaging utility, not proof that ultrasound can identify a specific cause.[1] [2]

A commentary cautions against treating ultrasound as a routine baseline examination for every person with HIV, noting that few findings correlated statistically with CD4 counts and that symptom context matters. Separately, work on focused ultrasound describes diagnostic yield as concentrated in patients with low BMI, low CD4 and advanced WHO stage, while noting that feasibility and diagnostic accuracy remain relevant questions.[3] [4]

Reports from resource-limited settings also identify practical constraints: imaging findings may be relied upon when microbiological or pathological confirmation is difficult, and limited staff capacity and competing duties can affect use of imaging tools. These constraints help explain why an ultrasound result may not settle the underlying diagnosis.[4] [5]

Questions the scan findings leave open

  • How closely do abdominal ultrasound patterns correspond with microbiological, pathological, and laboratory evidence when those measures are available?[2] [5]
  • Which patients and clinical settings can be assessed reliably with focused ultrasound when both feasibility and diagnostic accuracy are considered?[4]

Sources

  1. [Abdominal ultrasound abnormalities incidentally discovered in patients with asymptomatic HIV in Lome (Togo)]. (pubmed.ncbi.nlm.nih.gov)
  2. Patterns of abdominal ultrasound findings in HIV/AIDS patients in Black Lion Hospital | Ethiopian Medical Journal (emjema.org)
  3. sajr.org.za (sajr.org.za)
  4. Focused ultrasound to diagnose HIV-associated tuberculosis (FASH) in the extremely resource-limited setting of South Sudan: a cross-sectional study (pmc.ncbi.nlm.nih.gov)
  5. Four-year study of abdominal ultrasound in 900 Central African adults with AIDS referred for diagnostic imaging. (pubmed.ncbi.nlm.nih.gov)

About this Article -

Written with AI assistance from published research, and reviewed by the Mystum team. See our About page for more information.

Everything You Need To Know

1

What did the Togo study discover about abdominal health issues in HIV patients?

The study used abdominal ultrasounds to detect abnormalities in HIV-positive patients who were not showing any outward symptoms. Key findings included a high prevalence of liver abnormalities like hepatic steatosis (fatty liver) and hepatomegaly (enlarged liver). Kidney changes, spleen enlargement (splenomegaly), enlarged lymph nodes, and ascites (fluid accumulation in the abdomen) were also observed. These findings highlight the importance of routine screening, even in asymptomatic patients.

2

Why is abdominal ultrasound considered a vital tool for HIV care, especially in developing countries?

Abdominal ultrasound is emphasized as a valuable tool for HIV care in developing nations because it is less expensive than more advanced imaging techniques like CT scans. Its accessibility allows for the widespread investigation of abdominal issues in HIV-positive individuals, leading to improved detection and management of complications. Skilled operators are essential to maximize its effectiveness.

3

What is the significance of hepatic steatosis and hepatomegaly in the context of HIV?

Hepatic steatosis, or fatty liver, is significant because it indicates an accumulation of fat in the liver. Hepatomegaly, or enlarged liver, can be a sign of various underlying liver diseases or infections. Both conditions can impair liver function and contribute to overall health complications in HIV-positive patients. Early detection is essential to manage these conditions.

4

Why is splenomegaly a concern in HIV-positive individuals?

Splenomegaly is the enlargement of the spleen, which was remarkably common in the study's participants. It can be caused by infections, liver disease, or blood disorders, all of which can be associated with HIV. The spleen's role in filtering blood and fighting infection makes splenomegaly a significant concern that warrants further investigation and management.

5

What do the kidney changes observed in the study indicate about the health of HIV patients?

The study identified kidney changes, specifically a loss of normal differentiation between the cortex and medulla in over a quarter of patients. The cortex and medulla are distinct regions of the kidney responsible for filtering waste and maintaining fluid balance. Changes in these areas can indicate kidney damage or disease, potentially leading to impaired kidney function and requiring further evaluation.

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