Head & neck pathology

Ameloblastoma

Ameloblastoma

IHC: keratin (AE1/AE3), p63

Angioleiomyoma

PMID: 26047608

Antrochoanal polyp

Biphenotypic sinonasal sarcoma

  • IHC: desmin, S100

  • RNA-seq: PAX3::MAML3 gene fusion

Biphenotypic sinonasal sarcoma

  • IHC: S100, smooth muscle actin

  • RNA-seq: PAX3::MAML3 gene fusion

Biphenotypic sinonasal sarcoma

  • IHC: S100, smooth muscle actin

  • RNA-seq: PAX3::MAML3 gene fusion

Ectomesenchymal chondromyxoid tumour

  • RNA-seq: RREB1::MRTFB gene fusion

Ectomesenchymal chondromyxoid tumour

  • IHC: S100

  • RNA-seq: RREB1::MRTFB gene fusion

Ectopic hamartomatous thymoma

  • IHC: keratin (AE1/AE3), p40

Ewing sarcoma

  • IHC: CD99, S100

  • RNA-seq: EWSR1::FLI1 gene fusion

Fibroma

Fibroma, gingival

  • PMID: 33686583

Fibroma, peripheral ossifying

  • IHC: SATB2

GLI1-altered soft tissue tumour

  • IHC: S100

  • RNA-seq: ACTB::GLI1 gene fusion

GLI1-altered soft tissue tumour

  • RNA-seq: MALAT1::GLI1 gene fusion

Hyalinizing clear cell carcinoma

  • RNA-seq: EWSR1::ATF1 gene fusion

Hybrid schwannoma-perineurioma

  • IHC: S100, SOX10

  • RNA-seq: CHD9::VGLL3 gene fusion

Kaposi sarcoma

HIV positive

IHC: HHV8

Liposarcoma, lipoma-like

  • FISH: MDM2 amplified

Nasal glial heterotopia

Nodular fasciitis

  • IHC: smooth muscle actin

  • RNA-seq: MYH9::USP6 gene fusion

Sclerosing epithelioid fibrosarcoma

  • IHC: MUC4

  • RNA-seq: EWSR1::CREB3L1 gene fusion

Sinonasal glomangiopericytoma

  • IHC: CD34, smooth muscle actin, β-catenin

Sinonasal glomangiopericytoma

  • IHC: smooth muscle actin

Sinonasal glomangiopericytoma

  • IHC: smooth muscle actin

Solitary fibrous tumour

  • IHC: STAT6

  • RNA-seq: NAB2::STAT6 gene fusion

Rhabdomyosarcoma, alveolar

  • IHC: myogenin

  • RNA-seq: PAX3::FOXO1 gene fusion

Rhabdomyosarcoma, spindle cell

  • IHC: desmin, myogenin

  • RNA-seq: PPARGC1A::VGLL3 gene fusion*

* To date unreported in the literature