Injury guide

UPDATED FEB 2026

PFAS Testicular Cancer Lawsuit

Part of the PFAS Water Contamination investigation

The short answer

Testicular cancer is an MDL 2873 Tier 1 injury category with one of the strongest epidemiological links to PFAS — particularly PFOS exposure. The cancer predominantly affects younger men (age 15–35), meaning veterans and firefighters who developed testicular cancer after PFAS exposure at military installations often carry decades of lost earnings and quality-of-life damages.

Claims in MDL 2873 are active and advancing toward bellwether trials in 2026.

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PFAS and Testicular Cancer — The Science

Multiple large epidemiological studies have found significantly elevated rates of testicular cancer in PFAS-exposed populations. A landmark study of 2,588 Air Force servicemen at Malmstrom AFB in Montana — where AFFF contaminated drinking water — found a testicular cancer rate 3.7 times higher than age-matched national controls. A 2015 Danish study of over 250,000 men found dose-response relationships between PFAS blood concentration and testicular cancer incidence. PFAS act as endocrine disruptors in testicular tissue: they interfere with androgen (testosterone) signaling through PPAR-gamma and thyroid hormone pathways, disrupting the hormonal environment in the testes and Sertoli cells. PFOS in particular has been found in testicular tissue at concentrations that correlate with disrupted spermatogenesis and potentially oncogenic cellular changes.

Why Testicular Cancer PFAS Claims Are Particularly Valuable

Testicular cancer PFAS claims carry uniquely significant damages because the cancer predominantly strikes men in their 20s and 30s — the period of peak productive capacity and family formation. A 30-year-old veteran diagnosed with testicular cancer after military service at a contaminated base faces: lost wages over a remaining 30+ year working life; potential loss of fertility and the profound emotional impact of reproductive harm; the physical and emotional burden of orchiectomy (surgical removal of the affected testicle); ongoing hormonal monitoring and potential hormone replacement therapy; and the psychological impact of a cancer diagnosis at a young age. When testicular cancer is caught early (as it often is, given the age group's higher likelihood of noticing testicular changes), the survival rate is excellent — but the non-economic and long-term economic damages remain substantial.

Evidence for Testicular Cancer PFAS Claims

Testicular cancer PFAS claims require the same core evidence as other PFAS injury claims: documented PFAS exposure (military service records, base housing records, employment records, water utility PFAS testing data) and medical records confirming testicular cancer diagnosis. Testicular cancer does not have as many competing independent risk factors as kidney cancer — the primary independent risk factor is undescended testicle (cryptorchidism), which is easily assessed from medical records and is absent in most claimants. This clean specific causation profile — a young man with PFAS exposure and testicular cancer and no undescended testicle history — is among the strongest individual claim profiles in MDL 2873 personal injury litigation.

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The full investigation

Part of the PFAS Water Contamination Investigation