SINUS, MAXILLARY (67310)    ICDO TOPOGRAPHY (164)

• CBA
  CODE:   TX
• NET
  CODE:   T0
• Carcinoma 'in situ'
  CODE:   Tis
• Antral mucosa w no erosion of bone
  CODE:   T1
• Bone erosion or destruction
  CODE:   T2
• Bone of posterior wall, subcut tiss, etc.
  CODE:   T3
• Orbital contents/floor/medial wall
  CODE:   T4
• NA
  CODE:   NA

Primary Tumor (T)
      palate and/or the middle nasal meatus
T3  Tumor invades any of the following: bone of the posterior
      wall of maxillary sinus, subcutaneous tissues, skin of
      cheek, floor or medial wall of orbit, infratemporal
      fossa, pterygoid plates, ethmoid sinuses
T4  Tumor invades orbital contents beyond the floor or medial
      wall including any of the following: the orbital apex,
      cribriform plate, base of skull, nasopharynx, sphenoid,
      frontal sinuses
     
TX  Primary tumor cannot be assessed
T0  No evidence of primary tumor
Tis Carcinoma 'in situ'
T1  Tumor limited to the antral mucosa with no erosion or
      destruction of bone
T2  Tumor causing bone erosion or destruction, except for the
      posterior antral wall, including extension into the hard

Regional Lymph Nodes (N)
      greatest dimension
N2b Metastasis in multiple ipsilateral lymph nodes,
      none more than 6 cm in greatest dimension
N2c  Metastasis in bilateral or contralateral lymph
       nodes, none more than 6 cm in greatest dimension
N3  Metastasis in a lymph node more than 6 cm in
      greatest dimension

NX  Regional lymph nodes cannot be assessed
N0  No regional lymph node metastasis
N1  Metastasis in a single ipsilateral lymph node,
      3 cm or less in greatest dimension
N2  Choose from N2a, N2b or N2c
N2a Metastasis in a single ipsilateral lymph node
      more than 3 cm but not more than 6 cm in

• DESCRIPTION:   CBA
  CODE:   TX
• DESCRIPTION:   NET
  CODE:   T0
• DESCRIPTION:   CIS
  CODE:   Tis
• DESCRIPTION:   Maxillary sinus mucosa w no erosion of bone
  CODE:   T1
• DESCRIPTION:   Bone erosion or destruction
  CODE:   T2
• DESCRIPTION:   Bone of posterior wall, subcut tiss, etc.
  CODE:   T3
• DESCRIPTION:   Anterior orbital contents, skin of nose etc.
  CODE:   T4a
• DESCRIPTION:   Orbital apex, dura, brain, middle cranial fossa, etc.
  CODE:   T4b
• DESCRIPTION:   NA
  CODE:   NA

Primary Tumor (T)
      middle nasal meatus, except extension to posterior
      wall of maxillary sinus and pterygoid plates
T3  Tumor invades any of the following: bone of the posterior
      wall of maxillary sinus, subcutaneous tissues, skin of
      cheek, floor or medial wall of orbit, infratemporal
      fossa, pterygoid plates, ethmoid sinuses
T4a Tumor invades any of the following:
      anterior orbital contents, skin of nose or cheek,
      minimal extension to anterior fossa, pterygoid,
      plates, sphenoid or frontal sinuses
     
T4b Tumor invades any of the following: orbital
      apex, dura, brain, middle cranial fossa, cranial
      other than (V2), nasopharynx, or clivus
TX  Primary tumor cannot be assessed
T0  No evidence of primary tumor
Tis Carcinoma 'in situ'
T1  Tumor limited to maxillary sinus mucosa
       with no erosion or destruction of bone
T2  Tumor causing bone erosion or destruction
      including extension into the hard palate and/or

• T-CODE:   X
• T-CODE:   IS
• T-CODE:   4A
• T-CODE:   4B

Primary Tumor (T)
      posterior wall of maxillary sinus and pterygoid plates
T3   Tumor invades any of the following: bone of the posterior wall of 
      maxillary sinus, subcutaneous tissues, floor or medial wall of
      orbit, pterygoid fossa, ethmoid sinuses
T4a  Moderately advanced local disease.
     Tumor invades anterior orbital contents, skin of cheek, pterygoid
      plates, infratemporal fossa, cribriform plate, sphenoid or frontal
      sinuses
T4b  Very advanced local disease.
     Tumor invades any of the following: orbital apex, dura, brain,
 
      middle cranial fossa, cranial nerves other than maxillary division
      of trigeminal nerve (V2), nasopharynx, or clivus
TX   Primary tumor cannot be assessed
T0   No evidence of primary tumor
Tis  Tis Carcinoma in situ
T1   Tumor limited to maxillary sinus mucosa with no erosion or
      destruction of bone
T2   Tumor causing bone erosion or destruction including extension into
      the hard palate and/or middle nasal meatus, except extension to

• N-CODE:   X
• N-CODE:   2A
• N-CODE:   2B
• N-CODE:   2C

Regional Lymph Nodes (N)
      bilateral or contralateral lymph nodes, none more than 6 cm in
      greatest dimension
N2a  Metastasis in a single ipsilateral lymph node, more than 3 cm but not
      more than 6 cm in greatest dimension
N2b  Metastasis in multiple ipsilateral lymph nodes, none more than 6 cm
      in greatest dimension
N2d  Metastasis in bilateral or contralateral lymph nodes, none more than
      6 cm in greatest dimension
N3   Metastasis in a lymph node, more than 6 cm in greatest dimension
 
NX   Regional lymph nodes cannot be assessed
N0   No regional lymph node metastasis
N1   Metastasis in a single ipsilateral lymph node, 3 cm or less in
      greatest dimension
N2   Metastasis in a single ipsilateral lymph node, more than 3 cm but not
      more than 6 cm in greatest dimension, or in multiple ipsilateral
      lymph nodes, none more than 6 cm in greatest dimension, or in

• MAXILLARY ANTRUM
• ANTRUM, NOS

• CBA
  CODE:   TX
  ACOS CODE:   TX
• NET
  CODE:   T0
  ACOS CODE:   T0
• Carcinoma 'in situ'
  CODE:   Tis
  ACOS CODE:   TIS
• Antral mucosa w no erosion of bone
  CODE:   T1
  ACOS CODE:   T1
• Erosion of infrastructure
  CODE:   T2
  ACOS CODE:   T2
• Skin of cheek, posterior wall, etc.
  CODE:   T3
  ACOS CODE:   T3
• Orbital contents/cribriform plate, etc.
  CODE:   T4
  ACOS CODE:   T4
• NA
  CODE:   NA
  ACOS CODE:   NA

• NCA
  CODE:   NX
  ACOS CODE:   NX
• NRN
  CODE:   N0
  ACOS CODE:   N0
• 1 ipsilateral, 3 cm or less
  CODE:   N1
  ACOS CODE:   N1
• N2a, N2b or N2c
  CODE:   N2
  ACOS CODE:   N2
• 1 ipsilateral, > 3 but not > 6 cm
  CODE:   N2a
  ACOS CODE:   N2A
• Multiple ipsilateral, none > 6 cm
  CODE:   N2b
  ACOS CODE:   N2B
• Bilateral/contralateral, none > 6 cm
  CODE:   N2c
  ACOS CODE:   N2C
• > 6 cm
  CODE:   N3
  ACOS CODE:   N3
• NA
  CODE:   NA
  ACOS CODE:   NA