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Updated: Jun 19, 2026

A Method of Trigonometric Modelling of Seasonal Variation Demonstrated with Multiple Sclerosis Relapse Data

A Method of Trigonometric Modelling of Seasonal Variation Demonstrated with Multiple Sclerosis Relapse Data

Published on: December 9, 2015

Nutritional vitamin D deficiency: a case report.

Rachel L Stevens¹, Corey Lyon

¹Research Family Medicine Residency, Research Medical Center 6650 Troost Ave, Kansas City, 64131 USA. rachel.stevens@hcamidwest.com

|October 16, 2009

Summary

This summary is machine-generated.

Nutritional vitamin D deficiency, also known as rickets, can cause failure to thrive in infants. Early diagnosis and vitamin D supplementation lead to adequate catch-up growth in affected children.

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Last Updated: Jun 19, 2026

A Method of Trigonometric Modelling of Seasonal Variation Demonstrated with Multiple Sclerosis Relapse Data

A Method of Trigonometric Modelling of Seasonal Variation Demonstrated with Multiple Sclerosis Relapse Data

Published on: December 9, 2015

Area of Science:

Pediatrics
Nutritional Science
Endocrinology

Background:

Failure to thrive (FTT) is a common concern in pediatric care, characterized by inadequate weight gain.
Nutritional deficiencies can significantly impact infant growth and development.

Observation:

A 6-month-old African American male infant presented with failure to thrive, despite adequate breastfeeding intake.
The infant exhibited growth below expected percentiles, meeting diagnostic criteria for failure to thrive.

Findings:

Diagnostic workup confirmed nutritional vitamin D deficiency as the cause of the infant's failure to thrive.
The condition was identified as rickets, characterized by impaired bone mineralization.

Implications:

Early diagnosis and prompt supplementation of vitamin D are crucial for reversing the effects of rickets.
Effective treatment resulted in adequate catch-up growth, underscoring the importance of addressing nutritional deficiencies in pediatric care.