MedlinePlus Genetics:
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Encephalocraniocutaneous lipomatosis (ECCL) is a rare condition that primarily affects the brain, eyes, and skin of the head and face. Most of this condition's signs and symptoms are present from birth, and they vary widely among affected individuals.A hallmark feature of ECCL is a noncancerous tumor under the scalp covered by a smooth, hairless patch of skin. This type of tumor, called a nevus psiloliparus, is made up of fatty tissue. Some people with ECCL also have noncancerous tumors under the skin elsewhere on the head or face. Many have small flaps of skin called skin tags on the eyelids and around the eyes. Hair loss (alopecia), thin or missing patches of skin on the scalp (dermal hypoplasia or aplasia), and changes in skin coloring (pigmentation) are also possible.The most common eye abnormality in ECCL is a noncancerous growth called a choristoma. These growths can be present in one or both eyes and may affect vision.About two-thirds of people with ECCL have noncancerous fatty tumors inside the brain or around the spinal cord. These tumors are called intracranial lipomas and intraspinal lipomas, respectively. Affected individuals also have an increased risk of developing a type of brain cancer called a glioma. The brain and spinal cord abnormalities associated with ECCL can cause seizures, abnormal tensing of the muscles, and intellectual disability ranging from mild to profound. However, about one-third of affected individuals have normal intelligence.Other kinds of growths may also occur in people with ECCL, including noncancerous jaw tumors.
MalaCards based summary:
Encephalocraniocutaneous Lipomatosis, also known as haberland syndrome, is related to lipomatosis and oculoectodermal syndrome. An important gene associated with Encephalocraniocutaneous Lipomatosis is FGFR1 (Fibroblast Growth Factor Receptor 1), and among its related pathways/superpathways are Breast cancer pathway and NF-kappaB Pathway. Affiliated tissues include skin, spinal cord and brain, and related phenotypes are intellectual disability and seizure
OMIM®:
57
Encephalocraniocutaneous lipomatosis (ECCL) is a neurocutaneous disorder characterized by ocular anomalies, skin lesions, and central nervous system (CNS) anomalies (Moog et al., 2007).
The malformations in ECCL are patchy and asymmetric. The most characteristic skin anomaly is nevus psiloliparus, a well-demarcated, alopecic fatty tissue nevus on the scalp, seen in 80% of affected individuals. Other dermatologic features include frontotemporal or zygomatic subcutaneous fatty lipomas, nonscarring alopecia, focal dermal hypoplasia or aplasia of the scalp, periocular skin tags, and pigmentary abnormalities following the lines of Blaschko. Choristomas of the eye (epibulbar dermoids or lipodermoids) are also present in 80% of patients, and can be unilateral or bilateral. Characteristic CNS features in ECCL include intracranial and intraspinal lipomas, seen in 61% of patients, and less often cerebral asymmetry, arachnoid cysts, enlarged ventricles, and leptomeningeal angiomatosis. A predisposition to low-grade gliomas has also been observed. Seizures and intellectual disability are common, but one-third of affected individuals have normal intellect. Skeletal manifestations include bone cysts and jaw tumors, such as odontomas, osteomas, and ossifying fibromas (summary by Bennett et al., 2016). (613001) (Updated 08-Dec-2022)
GARD:
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A rare, genetic skin disease characterized by the ocular, cutaneous, and central nervous system anomalies. Typical clinical features include a well-demarcated hairless fatty nevus on the scalp, benign ocular tumors, and central nervous system lipomas, leading sometimes to seizures, spasticity, and intellectual disability. Nevus psiloliparus, focal dermal hypo- or aplasia, eyelid skin tags, colobomas, abnormal intracranial vessels, hemispheric atrophy, porencephalic cyst, and hydrocephalus have also been associated.
Orphanet:
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A rare, genetic skin disease characterized by the ocular, cutaneous, and central nervous system anomalies. Typical clinical features include a well-demarcated hairless fatty nevus on the scalp, benign ocular tumors, and central nervous system lipomas, leading sometimes to seizures, spasticity, and intellectual disability. Nevus psiloliparus, focal dermal hypo- or aplasia, eyelid skin tags, colobomas, abnormal intracranial vessels, hemispheric atrophy, porencephalic cyst, and hydrocephalus have also been associated.
UniProtKB/Swiss-Prot:
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A sporadically occurring, neurocutaneous disorder characterized by ocular anomalies, skin lesions, and central nervous system anomalies. Clinical features include a well-demarcated hairless fatty nevus on the scalp, benign ocular tumors, intracranial and intraspinal lipomas, and congenital abnormalities of the meninges. Seizures, spasticity, and intellectual disability can be present.
Wikipedia:
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Encephalocraniocutaneous lipomatosis (ECCL), is a rare condition primarily affecting the brain, eyes,... more...
Rare skin diseases 
