JOHN LAWRENCE NEHIL, M.D.

LOUISVILLE, KY

Research Active
Orthopaedic Surgery NPI registered 21+ years 1 publication 2025 – 2025 NPI: 1871597740
Orthopaedic Surgery

Practice Location

3 AUDUBON PLAZA DR
LOUISVILLE, KY 40217-1362

Phone: (502) 636-9118

What does JOHN NEHIL research?

Dr. Nehil studies Castleman disease, a rare condition that can cause enlarged lymph nodes and various systemic symptoms. He has specifically identified a new subtype called oligocentric Castleman disease (OligoCD), which presents unique symptoms and diagnostic challenges. His work helps healthcare providers recognize this rare condition in patients who might not fit the typical profile, ensuring they receive appropriate treatment and care tailored to their specific symptoms.

Key findings

  • Discovered a new subtype of Castleman disease called oligocentric Castleman disease (OligoCD) in a 38-year-old woman exhibiting atypical symptoms.
  • Identified that the patient's immunoglobulin G4 (IgG4) levels were nearly double the normal range, which is a key indicator for diagnosing OligoCD.
  • Proposed the need for improved diagnostic criteria and treatment plans for OligoCD to help patients with atypical manifestations of Castleman disease.

Frequently asked questions

Does Dr. Nehil study Castleman disease?
Yes, Dr. Nehil focuses specifically on Castleman disease and its atypical forms.
What is oligocentric Castleman disease?
Oligocentric Castleman disease (OligoCD) is a newly identified subtype of Castleman disease that presents unique symptoms and requires specific diagnostic and treatment approaches.
How can Dr. Nehil's research help patients?
His research aims to provide better recognition and treatment options for patients with atypical symptoms of Castleman disease, leading to more effective management of their conditions.
What types of symptoms can indicate Castleman disease?
Symptoms may include swelling of lymph nodes, fatigue, fever, and abnormal levels of immunoglobulins, which are proteins made by the immune system.
Is Dr. Nehil's work relevant to patients with rare diseases?
Yes, his research is crucial for patients with rare and atypical forms of Castleman disease, helping to improve their diagnosis and treatment.

Publications in plain English

Oligocentric Castleman Disease (OligoCD): A Novel Diagnostic Entity in the Spectrum of Castleman Disease.

2025

Cureus

Baisya R, Nehil J, Dagar V, Manna S

Plain English
The study focused on a rare form of Castleman disease that doesn’t fit into the known categories. A 38-year-old woman showed symptoms like swelling of the glands in her eyes, fatigue, and a slight fever. Tests revealed that her immunoglobulin G4 (IgG4) levels were nearly twice the normal limit, leading researchers to propose a new subtype called oligocentric Castleman disease (OligoCD), which needs to be recognized for better diagnosis and treatment options. Who this helps: This helps patients with atypical symptoms of Castleman disease and their doctors in identifying and treating their condition more effectively.

PubMed

Frequent Co-Authors

Ritasman Baisya Vikas Dagar Sukdev Manna

Physician data sourced from the NPPES NPI Registry . Publication data from PubMed . Plain-English summaries generated by AI. Not medical advice.