hepatoblastomas
Definition: Hepatoblastoma is a malignant embryonal liver tumor that occurs almost exclusively in infants and very young children.
Image
Macroscopy : https://twitter.com/DraEosina/status/762631086207893506
Cytology: https://twitter.com/AdamGomezMD/status/720632495671087104
https://twitter.com/MArnold_PedPath/status/736000944303808512
Hepatoblastoma is composed of epithelial and mesenchymal elements in varying proportions and at various stages of differentiation. The (...)
Home > Keywords > Tumors > Pediatric tumors
Pediatric tumors
Articles
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hepatoblastoma
16 March 2004 -
metanephric adenofibroma
27 October 2003nephrogenic adenofibroma
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embryonal rhabdomyosarcoma
25 November 2003Images
Vaginal mass. In embryonal rhabdomyosarcoma, botryoid type. Cambium layer, rhabdomyoblasts vary from round to strap-shaped cells. https://twitter.com/A_Elshaikh/status/893992220356997120
Digital cases
HPC:181 : Embryonal rhabdomyosarcoma of the maxillary region
HPC:210 : Embryonal rhabdomyosarcoma
HPC:211 : Botryoid embryonal rhabdomyosarcoma
HPC:250 : Botryoid embryonal rhabdomyosarcoma of the nasopharynx.
JRC:19400 : Pulmonary embryonal rhabdomyosarcoma. (...) -
rhabdomyomas
10 November 2004rhabdomyoma
Images
cardiac rhabdomyoma in 2 week old female : Spider cells : Large polygonal cells with glycogen vacuoles https://twitter.com/bestpathologist/status/700584984663318528
See also
rhabdomyoblasts
cardiomyocytes
Digital slides
Case 49 (HPC:49)
Case 64 (HPC:64)
Localization
cardiac rhabdomyoma
head and neck rhabdomyoma (#8319954#) parapharyngeal rhabdomyoma (#1530111#) multifocal rhabdomyoma of the neck (#2764225#)
cutaneous fetal rhabdomyoma (#18300799#) (...) -
embryonal sarcoma
28 June 2004undifferentiated embryonal sarcoma
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primitive myxoid mesenchymal tumor of infancy
4 April 2006PMMTI, myxoid mesenchymal tumor of infancy,
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pilocytic astrocytoma
12 July 2010Digital cases
HPC:246 : Pilocytic astrocytoma
Definition: Juvenile pilocytic astrocytomas (JPA), a subgroup of low-grade astrocytomas (LGA), are common, heterogeneous and poorly understood subset of brain tumours in children.
Images
https://twitter.com/chioseasi/status/715987893127356416
https://twitter.com/KUSAURAP/status/739441710887895042
Rosenthal fibers
https://twitter.com/rxmsimages/status/718719835723603968
Molecular biology
oncogenic FAM131B-BRAF fusion resulting from (...) -
adamantinoma
14 June 2006adamantinomas
Digital cases
JRC:4309 : Adamantinoma (Bone; 37 y/o male).
JRC:900 : Adamantinoma (Bone (tibia and fibula); 29 y/o male).
JRC:3170 : Classic adamantinoma (Bone: tibia).
JRC:15204 : Adamantinoma? (Bone: leg / Diff DX: Monophasic synovial sarcoma?).
JRC:19170 : Adamantinoma? (Bone: leg / Diff DX: Monophasic synovial sarcoma?).
Localization
adamantinoma of long bones
Variants
differentiated adamantinoma (osteofibrous dysplasia-like adamantinoma)
Cytogenetics (...) -
Clara cell adenoma
14 June 2006See also
Clara cells -
schwannoma
8 March 2004schwannomas; neurilemmoma
Definition: Schwannomas are benign peripheral nerve sheath tumors believed to be composed purely of cells with ultrastructural features of Schwann cells.
Images
Macroscopy
https://twitter.com/RoshanNasim/status/854390780533686272
Schannoma
https://twitter.com/histiocytosisX/status/725342882740244480
ectatic vessels with vascular parietal hyalinization is a common feature in schwannoma
https://twitter.com/DCSkipperDO/status/753792588331749377
Digital (...)
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