Search results

[[Category:Neuropathology tumours]] [[Category:WHO grade I tumours]]

...nto the main group of [[Glioma]]. This category consists of mostly CNS WHO grade 1 tumors, observed in children and young-adults. The fifth edition of CNS WHO classfication recognizes four distinct tumour diagnoses.

*Low-grade glial neoplasm originating in the neurohypophysis. *WHO grade I.

| Prognosis = good (WHO Grade I) '''Diffuse astrocytoma, MYB- or MYBL-altered''' is a low-grade, often pediatric-onset [[astrocytoma]]. It is very rare.

| Prognosis = good (WHO grade I) '''Hemangioblastoma''' is a low grade [[brain tumour]] tumour typically found the [[cerebellum]].

| Prognosis = good (WHO Grade I) '''Mxyopapillary Ependymoma''', is a low-grade [[Ependymoma]]. It is nearly always associated with [[cauda equina]] and [[

| Site = all ventricles, [[cerebellopontine angle]] - see ''[[brain tumours]]'' *Low grade

...umor terminology. Most of these tumors are now classified either as [[High-grade astrocytoma with piloid features]], [[Pleomorphic xanthoastrocytoma]] or as ...[[astrocytoma]] - behaviour corresponded in older classifications to ''WHO Grade III''.

| Site = [[brain]] - see ''[[neuropathology tumours]]'' | Prognosis = WHO grade I

| Prognosis = good (WHO Grade I) '''Angiocentric glioma''', is a WHO grade I [[glioma]]. It is super rare.

| Prognosis = good (WHO Grade I) '''Subependymal giant cell astrocytoma''', abbreviated '''SEGA''', is a low-grade astrocytoma associated with [[tuberous sclerosis complex]].

| LMDDx = [[small round blue cell tumours]] | Prognosis = poor (WHO Grade IV)

...use astrocytomas. An overview of other CNS tumours is found in the ''[[CNS tumours]]'' article. * Common vs. uncommon tumours.

...mbrella term for rare tumor entities in patients that do not match current WHO diagnostic criteria. ...server agreement. <ref name="pmid30326153">{{cite journal |authors=Blümcke I, Coras R, Wefers AK, Capper D, Aronica E, Becker A, Honavar M, Stone TJ, Ja

...= "Malignant stroma" (stromal with nuclear pleomorphism - typically low grade), benign glands with an abnormal shape and "cambium layer" (increased cellu | Site = [[uterus]] - see ''[[uterine tumours]]''

** WHO grade I **Rare (less than 1% of all nerve sheath tumours).

...= [[soft tissue lesions|soft tissue]] - [[fibroblastic/myofibroblastic tumours]], pleura ...esion|soft tissue tumour]] that fits in the [[fibroblastic/myofibroblastic tumours]]. It is usually benign.

...oendocrine neoplasms''', also '''neuroendocrine tumours''', are a group of tumours whose behaviour varies from benign to malignant and are found in may differ These tumours arise from epithelium; thus, malignant tumours in this group are referred to as '''neuroendocrine carcinomas'''.

| LMDDx = [[small round blue cell tumours]] | Prognosis = poor (WHO Grade IV)

...cle deals with '''[[uterus|uterine]] tumours''', with the exception of the tumours that arise from the [[endometrium]]. Uterine tumours are like water in the sea - very very common. Many hysterectomies are done

...{{Cite journal | last1 = Bozbuga | first1 = M. | last2 = Gulec | first2 = I. | last3 = Suslu | first3 = HT. | last4 = Bayindir | first4 = C. | title = *[[Neuropathology tumours]].

| Syndromes = [[Multiple endocrine neoplasia I]], [[von Hippel-Lindau disease]], [[neurofibromatosis type 1]] ...inDDx = [[invasive ductal carcinoma of the pancreas]], other pancreatic tumours

These tumours are '''not''' recognized as a distinct type of renal cell carcinoma;<ref na ...3 = Montironi | first3 = R. | last4 = Kirkali | first4 = Z. | title = 2004 WHO classification of the renal tumors of the adults. | journal = Eur Urol | vo

...related to [[pilocytic astrocytoma]]. The future WHO classification of CNS tumours will include it as separate entity. ...uz Martinez O, Hansford JR, Pietsch T, Tietze A, Hernáiz-Driever P, Stoler I, Capper D, Korshunov A, Ellison DW, von Deimling A, Pfister SM, Sahm F, Jon

| Prognosis = good (WHO Grade I) '''Pilocytic astrocytoma''', abbreviated '''PA''', is a low-grade [[astrocytoma]]. It the most common glioma in children.

...ms = [[mixed epithelial and stromal tumour family]] (term recommended in WHO 2016 classification) ...ey''', abbreviated '''MEST''', is a rare benign [[kidney tumour]] in the [[WHO]] classification of renal neoplasia.

Tumours:<ref name=pmid20971711>{{cite journal |author=Gaillard F, Jones J |title=Ma *Primary pineal tumours ~15% of (pineal) tumours - benign to malignant:<ref name=pmid21057132>{{cite journal |author=Smith A

...uncommon and may be difficult to diagnose. Malignant soft tissue lesions, i.e. [[cancer|cancerous]] soft tissue lesions, are usually '''sarcomas'''. Sa ==WHO classification of soft tissue lesions/tumours==

| Gross = may be multifocal, must be >1.5 cm (if low ISUP grade), often necrotic-appearing (brown, soft, friable) | Site = [[kidney]] - see [[kidney tumours]]

* WHO grade I (ICD-O: 9413/0) ...1 = Daumas-Duport | first1 = C. | title = Dysembryoplastic neuroepithelial tumours. | journal = Brain Pathol | volume = 3 | issue = 3 | pages = 283-95 | month

| Prognosis = good (WHO Grade I) *Gangliolioma: Grade I WHO mixed neuronal-glial tumour (ICD-O code: 9505/1).

| Caption = Ependymoma grade II WHO. [[H&E stain]] | Prognosis = intermediate to poor (WHO Grades II & III)

| Site = [[neuropathology tumours]] - cerebral hemispheres, posterior fossa (rare), spinal cord (very rare) | Prognosis = moderate - dependent on grade

...Tumours are a large part of [[neuropathology]]. [[Cytopathology]] of CNS tumours is dealt with in the article ''[[CNS cytopathology]]''. There are separate articles for ''[[peripheral nerve sheath tumours]]'' and ''[[pituitary gland|pituitary/peri-pituitary lesions]]''.

...oplasmacyte-rich, metaplastic), Grade II (invasive, clear cell, chordoid), Grade III (papillary, rhabdoid) | Site = see ''[[CNS tumours]]''

*The cellular product (i.e. hormone produced) is not strictly correlated with the cell type.<ref nam *Spontaneous necrosis of pituitary tumours - case reports.<ref>{{cite journal |author=Sachdev Y, Evered DC, Hall R |ti

| Prognosis = subtype-dependent (WHO Grade IV) *All subgroups correspond to WHO grade IV.

| Subtypes = Lauren classification: intestinal type, diffuse type; WHO classification: papillary carcinoma, tubular carcinoma, mucinous carcinoma, | ClinDDx = benign ulcer, other gastric tumours

...'''malignant kidney tumours''' ('''kidney cancer''') and '''benign kidney tumours'''. Medical renal diseases are dealt with in the [[medical renal diseases] Pediatric kidney tumours are dealt with in the ''[[pediatric kidney tumours]]'' article.

...>{{cite journal |authors=Yang H, Dixon MF, Zuo J, Fong F, Zhou D, Corthésy I, Blum A |title=Helicobacter pylori infection and gastric metaplasia in the =Tumours=

*corresponds histologically to WHO grade I. *[[Neuropathology tumours]].

...discernible in light microscopy. This interveawing is called a syncytium. WHO Grading of the tumour is dependent of the [[Basics#Mitoses|mitotic]] activi ...athol.uzh.ch/histologycourse/pages/s_vii_21.html Virtual slide (Meningioma I, HE, usz.ch)]

| LMDDx = [[high-grade prostatic intraepithelial neoplasia]], [[atypical small acinar proliferatio | Prognosis = good-to-poor (depends on [[prostate cancer grading|grade (Gleason score)]] and [[stage]])