Lipoblastoma is a type of rare, subcutaneous, benign, fatty tumor, found in infants, and children, more common in males with tendency of local recurrence. Local recurrence can happen in up to 80% of incompletely resected tumours. Therefore, complete surgical resection is required to prevent recurrence. It arises from embyronic white fat that is rapidly enlarging. Most common locations are at the trunk and extremities.Types include:
Benign lipoblastomatosis, a tumor, also known as an embryonic lipoma, which usually occurs in children under three years old. This is the tumor of brown fat cells. Myxoid lipoblastoma, a cutaneous condition characterized by excess mucin

Specimen
Macroscopic
Grossly, it has a pale yellow, myxoid cut surface with small cystic foci. Microscopic
It has lobules consists of immature adipose tissue separated by fibrous septa and lipoblasts at different stages of maturation, without atypia or mitosis. Plexiform capillary network and mature adipose tissue are seen at the central part of the lobule. See also
Lipoblast
Lipoma


== References ==
There is literature indicating that DE is an isolated anomaly. During the bell stage of tooth formation, DE may occur as a result of an unusual growth and folding of the inner enamel epithelium and ectomesenchymal cells of dental papilla into the stellate reticulum of the enamel organ. Diagnosis
Diagnosis of DE can be difficult when there is no signs and symptoms of necrotic or infected pulp. It is a challenging task to differentiate between a true periapical lesion and a normal periapical radiolucency of a dental follicle of an immature apex. Pulp tests (test results of immature teeth can be misleading, as they are known to give unreliable results)
Check and see if there is an elevated, flat wear facet on the occlusal surface of the tooth
Test cavity which has an absence of pain sensation and has an empty pulp chamber/ canal. Radiographs (usually periapical) - a V-shaped radiopaque structure could be seen superimposing on top of the affected crown. It could detect DE before tooth eruption. However, DE presentation on the radiograph can be quite similar to a mesiodens or a compound odontoma. Classification
The anterior DE tubercles have an average width of 3.5mm and length of 6.0mm, while posterior tubercles have an average 2.0mm in width and length of up to 3.5mm. If the cusp of Carabelli is present, the tooth associated are often larger mesiodistally and it is not uncommon that a DE involved tooth has an abnormal root pattern.There are 4 different ways to classify/ categorize DE involved teeth.