Precalcaneal congenital fibrolipomatous hamartoma
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Synopsis
PCFH presents as a soft, asymptomatic, skin-colored nodule on the medial plantar surface of the heel. Nodules are typically seen bilaterally, although unilateral cases have been reported. They increase slowly in size paralleling the growth of the affected individual and may regress completely within 2 or 3 years. Accompanying functional impairment is very rare.
The term "fibrolipomatous hamartoma" encompasses cases of PCFH and other similar hamartomas that occur in other anatomic locations, including the retrocalcaneal, mandibular, and nasal area. The latter presentations are reported in older pediatric patients, up to age 16 years, and these cases are usually unilateral.
PCFH is typically an isolated finding. A single case has been reported in a patient with Gardner syndrome and another in a patient with tuberous sclerosis.
Codes
ICD10CM:Q85.9 – Phakomatosis, unspecified
SNOMEDCT:
399960008 – Congenital hamartoma
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Diagnostic Pearls
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Differential Diagnosis & Pitfalls
- Calcified nodule of the heel
- Juvenile hyaline fibromatosis
- Plantar aponeurotic fibroma
- Childhood fibrous hamartoma
- Piezogenic papules
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Last Reviewed:07/20/2021
Last Updated:06/22/2022
Last Updated:06/22/2022